Home / 10,130.72-15,198.76-4,287.52

Finding the Fourth Proportional to 10,130.72, 15,198.76 and 4,287.52

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Solution

The fourth proportional to 10,130.72, 15,198.76 and 4,287.52 is: 6,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.72 : 15,198.76 = 4,287.52 : x
  2. Step 2: Convert to fraction form
    10,130.72/15,198.76 = 4,287.52/x
  3. Step 3: Cross multiply
    10,130.72x = 15,198.76 × 4,287.52
  4. Step 4: Simplify right side
    10,130.72x = 65,164,987.48
  5. Step 5: Solve for x
    x = 65,164,987.48/10,130.72
  6. Step 6: Final answer
    x = 6,432.41

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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.