Home / 10,126.65-15,192.42-3,801.58

Finding the Fourth Proportional to 10,126.65, 15,192.42 and 3,801.58

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Solution

The fourth proportional to 10,126.65, 15,192.42 and 3,801.58 is: 5,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.65 : 15,192.42 = 3,801.58 : x
  2. Step 2: Convert to fraction form
    10,126.65/15,192.42 = 3,801.58/x
  3. Step 3: Cross multiply
    10,126.65x = 15,192.42 × 3,801.58
  4. Step 4: Simplify right side
    10,126.65x = 57,755,254.63
  5. Step 5: Solve for x
    x = 57,755,254.63/10,126.65
  6. Step 6: Final answer
    x = 5,703.29

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1.5x scale

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.