Home / 13,308.30-19,962.45-11,666.70

Finding the Fourth Proportional to 13,308.30, 19,962.45 and 11,666.70

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Solution

The fourth proportional to 13,308.30, 19,962.45 and 11,666.70 is: 17,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.30 : 19,962.45 = 11,666.70 : x
  2. Step 2: Convert to fraction form
    13,308.30/19,962.45 = 11,666.70/x
  3. Step 3: Cross multiply
    13,308.30x = 19,962.45 × 11,666.70
  4. Step 4: Simplify right side
    13,308.30x = 232,895,915.42
  5. Step 5: Solve for x
    x = 232,895,915.42/13,308.30
  6. Step 6: Final answer
    x = 17,500.05

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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.