Home / 15,743.46-21,725.19-10,154.46

Finding the Fourth Proportional to 15,743.46, 21,725.19 and 10,154.46

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Solution

The fourth proportional to 15,743.46, 21,725.19 and 10,154.46 is: 14,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.46 : 21,725.19 = 10,154.46 : x
  2. Step 2: Convert to fraction form
    15,743.46/21,725.19 = 10,154.46/x
  3. Step 3: Cross multiply
    15,743.46x = 21,725.19 × 10,154.46
  4. Step 4: Simplify right side
    15,743.46x = 220,607,572.85
  5. Step 5: Solve for x
    x = 220,607,572.85/15,743.46
  6. Step 6: Final answer
    x = 14,012.65

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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.