Home / 10,132.50-15,205.53-3,897.66

Finding the Fourth Proportional to 10,132.50, 15,205.53 and 3,897.66

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Solution

The fourth proportional to 10,132.50, 15,205.53 and 3,897.66 is: 5,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.50 : 15,205.53 = 3,897.66 : x
  2. Step 2: Convert to fraction form
    10,132.50/15,205.53 = 3,897.66/x
  3. Step 3: Cross multiply
    10,132.50x = 15,205.53 × 3,897.66
  4. Step 4: Simplify right side
    10,132.50x = 59,265,986.06
  5. Step 5: Solve for x
    x = 59,265,986.06/10,132.50
  6. Step 6: Final answer
    x = 5,849.10

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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.