Home / 17,507.40-24,152.76-12,781.32

Finding the Fourth Proportional to 17,507.40, 24,152.76 and 12,781.32

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Solution

The fourth proportional to 17,507.40, 24,152.76 and 12,781.32 is: 17,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.40 : 24,152.76 = 12,781.32 : x
  2. Step 2: Convert to fraction form
    17,507.40/24,152.76 = 12,781.32/x
  3. Step 3: Cross multiply
    17,507.40x = 24,152.76 × 12,781.32
  4. Step 4: Simplify right side
    17,507.40x = 308,704,154.44
  5. Step 5: Solve for x
    x = 308,704,154.44/17,507.40
  6. Step 6: Final answer
    x = 17,632.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.