Home / 15,657.66-23,430.60-13,601.88

Finding the Fourth Proportional to 15,657.66, 23,430.60 and 13,601.88

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Solution

The fourth proportional to 15,657.66, 23,430.60 and 13,601.88 is: 20,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.66 : 23,430.60 = 13,601.88 : x
  2. Step 2: Convert to fraction form
    15,657.66/23,430.60 = 13,601.88/x
  3. Step 3: Cross multiply
    15,657.66x = 23,430.60 × 13,601.88
  4. Step 4: Simplify right side
    15,657.66x = 318,700,209.53
  5. Step 5: Solve for x
    x = 318,700,209.53/15,657.66
  6. Step 6: Final answer
    x = 20,354.27

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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.