Home / 10,091.30-15,126.60-3,512.06

Finding the Fourth Proportional to 10,091.30, 15,126.60 and 3,512.06

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Solution

The fourth proportional to 10,091.30, 15,126.60 and 3,512.06 is: 5,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.30 : 15,126.60 = 3,512.06 : x
  2. Step 2: Convert to fraction form
    10,091.30/15,126.60 = 3,512.06/x
  3. Step 3: Cross multiply
    10,091.30x = 15,126.60 × 3,512.06
  4. Step 4: Simplify right side
    10,091.30x = 53,125,526.80
  5. Step 5: Solve for x
    x = 53,125,526.80/10,091.30
  6. Step 6: Final answer
    x = 5,264.49

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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.