Home / 10,002.24-15,002.64-4,380.48

Finding the Fourth Proportional to 10,002.24, 15,002.64 and 4,380.48

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Solution

The fourth proportional to 10,002.24, 15,002.64 and 4,380.48 is: 6,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.24 : 15,002.64 = 4,380.48 : x
  2. Step 2: Convert to fraction form
    10,002.24/15,002.64 = 4,380.48/x
  3. Step 3: Cross multiply
    10,002.24x = 15,002.64 × 4,380.48
  4. Step 4: Simplify right side
    10,002.24x = 65,718,764.47
  5. Step 5: Solve for x
    x = 65,718,764.47/10,002.24
  6. Step 6: Final answer
    x = 6,570.40

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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.