Home / 13,537.64-20,306.45-6,606.20

Finding the Fourth Proportional to 13,537.64, 20,306.45 and 6,606.20

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Solution

The fourth proportional to 13,537.64, 20,306.45 and 6,606.20 is: 9,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.64 : 20,306.45 = 6,606.20 : x
  2. Step 2: Convert to fraction form
    13,537.64/20,306.45 = 6,606.20/x
  3. Step 3: Cross multiply
    13,537.64x = 20,306.45 × 6,606.20
  4. Step 4: Simplify right side
    13,537.64x = 134,148,335.43
  5. Step 5: Solve for x
    x = 134,148,335.43/13,537.64
  6. Step 6: Final answer
    x = 9,909.29

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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.