Home / 10,386.38-14,333.13-5,670.66

Finding the Fourth Proportional to 10,386.38, 14,333.13 and 5,670.66

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Solution

The fourth proportional to 10,386.38, 14,333.13 and 5,670.66 is: 7,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.38 : 14,333.13 = 5,670.66 : x
  2. Step 2: Convert to fraction form
    10,386.38/14,333.13 = 5,670.66/x
  3. Step 3: Cross multiply
    10,386.38x = 14,333.13 × 5,670.66
  4. Step 4: Simplify right side
    10,386.38x = 81,278,264.14
  5. Step 5: Solve for x
    x = 81,278,264.14/10,386.38
  6. Step 6: Final answer
    x = 7,825.47

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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.