Home / 15,148.13-22,722.30-5,287.41

Finding the Fourth Proportional to 15,148.13, 22,722.30 and 5,287.41

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Solution

The fourth proportional to 15,148.13, 22,722.30 and 5,287.41 is: 7,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148.13 : 22,722.30 = 5,287.41 : x
  2. Step 2: Convert to fraction form
    15,148.13/22,722.30 = 5,287.41/x
  3. Step 3: Cross multiply
    15,148.13x = 22,722.30 × 5,287.41
  4. Step 4: Simplify right side
    15,148.13x = 120,142,158.85
  5. Step 5: Solve for x
    x = 120,142,158.85/15,148.13
  6. Step 6: Final answer
    x = 7,931.16

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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.