Home / 10,318.85-14,240.07-5,603.13

Finding the Fourth Proportional to 10,318.85, 14,240.07 and 5,603.13

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Solution

The fourth proportional to 10,318.85, 14,240.07 and 5,603.13 is: 7,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.85 : 14,240.07 = 5,603.13 : x
  2. Step 2: Convert to fraction form
    10,318.85/14,240.07 = 5,603.13/x
  3. Step 3: Cross multiply
    10,318.85x = 14,240.07 × 5,603.13
  4. Step 4: Simplify right side
    10,318.85x = 79,788,963.42
  5. Step 5: Solve for x
    x = 79,788,963.42/10,318.85
  6. Step 6: Final answer
    x = 7,732.35

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1.5x scale

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.