Home / 10,721.22-14,781.48-6,937.68

Finding the Fourth Proportional to 10,721.22, 14,781.48 and 6,937.68

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Solution

The fourth proportional to 10,721.22, 14,781.48 and 6,937.68 is: 9,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,721.22 : 14,781.48 = 6,937.68 : x
  2. Step 2: Convert to fraction form
    10,721.22/14,781.48 = 6,937.68/x
  3. Step 3: Cross multiply
    10,721.22x = 14,781.48 × 6,937.68
  4. Step 4: Simplify right side
    10,721.22x = 102,549,178.17
  5. Step 5: Solve for x
    x = 102,549,178.17/10,721.22
  6. Step 6: Final answer
    x = 9,565.07

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