Home / 10,087.30-15,129.13-4,467.50

Finding the Fourth Proportional to 10,087.30, 15,129.13 and 4,467.50

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Solution

The fourth proportional to 10,087.30, 15,129.13 and 4,467.50 is: 6,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.30 : 15,129.13 = 4,467.50 : x
  2. Step 2: Convert to fraction form
    10,087.30/15,129.13 = 4,467.50/x
  3. Step 3: Cross multiply
    10,087.30x = 15,129.13 × 4,467.50
  4. Step 4: Simplify right side
    10,087.30x = 67,589,388.28
  5. Step 5: Solve for x
    x = 67,589,388.28/10,087.30
  6. Step 6: Final answer
    x = 6,700.44

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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.