Home / 15,056.55-20,779.46-8,342.46

Finding the Fourth Proportional to 15,056.55, 20,779.46 and 8,342.46

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Solution

The fourth proportional to 15,056.55, 20,779.46 and 8,342.46 is: 11,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.55 : 20,779.46 = 8,342.46 : x
  2. Step 2: Convert to fraction form
    15,056.55/20,779.46 = 8,342.46/x
  3. Step 3: Cross multiply
    15,056.55x = 20,779.46 × 8,342.46
  4. Step 4: Simplify right side
    15,056.55x = 173,351,813.87
  5. Step 5: Solve for x
    x = 173,351,813.87/15,056.55
  6. Step 6: Final answer
    x = 11,513.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.