Home / 10,558.83-14,571.38-5,779.20

Finding the Fourth Proportional to 10,558.83, 14,571.38 and 5,779.20

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Solution

The fourth proportional to 10,558.83, 14,571.38 and 5,779.20 is: 7,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.83 : 14,571.38 = 5,779.20 : x
  2. Step 2: Convert to fraction form
    10,558.83/14,571.38 = 5,779.20/x
  3. Step 3: Cross multiply
    10,558.83x = 14,571.38 × 5,779.20
  4. Step 4: Simplify right side
    10,558.83x = 84,210,890.40
  5. Step 5: Solve for x
    x = 84,210,890.40/10,558.83
  6. Step 6: Final answer
    x = 7,975.40

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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.