Home / 14,125.60-21,188.40-10,845.10

Finding the Fourth Proportional to 14,125.60, 21,188.40 and 10,845.10

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Solution

The fourth proportional to 14,125.60, 21,188.40 and 10,845.10 is: 16,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.60 : 21,188.40 = 10,845.10 : x
  2. Step 2: Convert to fraction form
    14,125.60/21,188.40 = 10,845.10/x
  3. Step 3: Cross multiply
    14,125.60x = 21,188.40 × 10,845.10
  4. Step 4: Simplify right side
    14,125.60x = 229,790,316.84
  5. Step 5: Solve for x
    x = 229,790,316.84/14,125.60
  6. Step 6: Final answer
    x = 16,267.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.