Home / 10,087.02-15,125.72-3,512.40

Finding the Fourth Proportional to 10,087.02, 15,125.72 and 3,512.40

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Solution

The fourth proportional to 10,087.02, 15,125.72 and 3,512.40 is: 5,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.02 : 15,125.72 = 3,512.40 : x
  2. Step 2: Convert to fraction form
    10,087.02/15,125.72 = 3,512.40/x
  3. Step 3: Cross multiply
    10,087.02x = 15,125.72 × 3,512.40
  4. Step 4: Simplify right side
    10,087.02x = 53,127,503.30
  5. Step 5: Solve for x
    x = 53,127,503.30/10,087.02
  6. Step 6: Final answer
    x = 5,266.92

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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.