Home / 9,718.38-14,575.95-3,143.61

Finding the Fourth Proportional to 9,718.38, 14,575.95 and 3,143.61

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Solution

The fourth proportional to 9,718.38, 14,575.95 and 3,143.61 is: 4,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.38 : 14,575.95 = 3,143.61 : x
  2. Step 2: Convert to fraction form
    9,718.38/14,575.95 = 3,143.61/x
  3. Step 3: Cross multiply
    9,718.38x = 14,575.95 × 3,143.61
  4. Step 4: Simplify right side
    9,718.38x = 45,821,102.18
  5. Step 5: Solve for x
    x = 45,821,102.18/9,718.38
  6. Step 6: Final answer
    x = 4,714.89

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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.