Home / 10,512.18-15,707.25-7,962.30

Finding the Fourth Proportional to 10,512.18, 15,707.25 and 7,962.30

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Solution

The fourth proportional to 10,512.18, 15,707.25 and 7,962.30 is: 11,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.18 : 15,707.25 = 7,962.30 : x
  2. Step 2: Convert to fraction form
    10,512.18/15,707.25 = 7,962.30/x
  3. Step 3: Cross multiply
    10,512.18x = 15,707.25 × 7,962.30
  4. Step 4: Simplify right side
    10,512.18x = 125,065,836.68
  5. Step 5: Solve for x
    x = 125,065,836.68/10,512.18
  6. Step 6: Final answer
    x = 11,897.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.