Home / 9,370.38-14,051.54-3,128.70

Finding the Fourth Proportional to 9,370.38, 14,051.54 and 3,128.70

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Solution

The fourth proportional to 9,370.38, 14,051.54 and 3,128.70 is: 4,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.38 : 14,051.54 = 3,128.70 : x
  2. Step 2: Convert to fraction form
    9,370.38/14,051.54 = 3,128.70/x
  3. Step 3: Cross multiply
    9,370.38x = 14,051.54 × 3,128.70
  4. Step 4: Simplify right side
    9,370.38x = 43,963,053.20
  5. Step 5: Solve for x
    x = 43,963,053.20/9,370.38
  6. Step 6: Final answer
    x = 4,691.70

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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.