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Finding the Fourth Proportional to 10,387.17, 14,333.76 and 5,670.54

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Solution

The fourth proportional to 10,387.17, 14,333.76 and 5,670.54 is: 7,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.17 : 14,333.76 = 5,670.54 : x
  2. Step 2: Convert to fraction form
    10,387.17/14,333.76 = 5,670.54/x
  3. Step 3: Cross multiply
    10,387.17x = 14,333.76 × 5,670.54
  4. Step 4: Simplify right side
    10,387.17x = 81,280,159.43
  5. Step 5: Solve for x
    x = 81,280,159.43/10,387.17
  6. Step 6: Final answer
    x = 7,825.05

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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.