Home / 13,666.16-20,499.97-4,306.90

Finding the Fourth Proportional to 13,666.16, 20,499.97 and 4,306.90

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Solution

The fourth proportional to 13,666.16, 20,499.97 and 4,306.90 is: 6,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.16 : 20,499.97 = 4,306.90 : x
  2. Step 2: Convert to fraction form
    13,666.16/20,499.97 = 4,306.90/x
  3. Step 3: Cross multiply
    13,666.16x = 20,499.97 × 4,306.90
  4. Step 4: Simplify right side
    13,666.16x = 88,291,258.78
  5. Step 5: Solve for x
    x = 88,291,258.78/13,666.16
  6. Step 6: Final answer
    x = 6,460.58

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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.