Home / 10,385.76-14,332.23-5,670.12

Finding the Fourth Proportional to 10,385.76, 14,332.23 and 5,670.12

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Solution

The fourth proportional to 10,385.76, 14,332.23 and 5,670.12 is: 7,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.76 : 14,332.23 = 5,670.12 : x
  2. Step 2: Convert to fraction form
    10,385.76/14,332.23 = 5,670.12/x
  3. Step 3: Cross multiply
    10,385.76x = 14,332.23 × 5,670.12
  4. Step 4: Simplify right side
    10,385.76x = 81,265,463.97
  5. Step 5: Solve for x
    x = 81,265,463.97/10,385.76
  6. Step 6: Final answer
    x = 7,824.70

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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.