Home / 9,789.18-14,689.16-4,242.57

Finding the Fourth Proportional to 9,789.18, 14,689.16 and 4,242.57

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Solution

The fourth proportional to 9,789.18, 14,689.16 and 4,242.57 is: 6,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.18 : 14,689.16 = 4,242.57 : x
  2. Step 2: Convert to fraction form
    9,789.18/14,689.16 = 4,242.57/x
  3. Step 3: Cross multiply
    9,789.18x = 14,689.16 × 4,242.57
  4. Step 4: Simplify right side
    9,789.18x = 62,319,768.33
  5. Step 5: Solve for x
    x = 62,319,768.33/9,789.18
  6. Step 6: Final answer
    x = 6,366.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.