Home / 9,899.28-14,781.06-8,437.68

Finding the Fourth Proportional to 9,899.28, 14,781.06 and 8,437.68

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Solution

The fourth proportional to 9,899.28, 14,781.06 and 8,437.68 is: 12,598.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,899.28 : 14,781.06 = 8,437.68 : x
  2. Step 2: Convert to fraction form
    9,899.28/14,781.06 = 8,437.68/x
  3. Step 3: Cross multiply
    9,899.28x = 14,781.06 × 8,437.68
  4. Step 4: Simplify right side
    9,899.28x = 124,717,854.34
  5. Step 5: Solve for x
    x = 124,717,854.34/9,899.28
  6. Step 6: Final answer
    x = 12,598.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.