Home / 14,100.32-21,151.52-3,712

Finding the Fourth Proportional to 14,100.32, 21,151.52 and 3,712

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Solution

The fourth proportional to 14,100.32, 21,151.52 and 3,712 is: 5,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.32 : 21,151.52 = 3,712 : x
  2. Step 2: Convert to fraction form
    14,100.32/21,151.52 = 3,712/x
  3. Step 3: Cross multiply
    14,100.32x = 21,151.52 × 3,712
  4. Step 4: Simplify right side
    14,100.32x = 78,514,442.24
  5. Step 5: Solve for x
    x = 78,514,442.24/14,100.32
  6. Step 6: Final answer
    x = 5,568.27

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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.