Home / 15,253.20-22,879.80-5,392.40

Finding the Fourth Proportional to 15,253.20, 22,879.80 and 5,392.40

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Solution

The fourth proportional to 15,253.20, 22,879.80 and 5,392.40 is: 8,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.20 : 22,879.80 = 5,392.40 : x
  2. Step 2: Convert to fraction form
    15,253.20/22,879.80 = 5,392.40/x
  3. Step 3: Cross multiply
    15,253.20x = 22,879.80 × 5,392.40
  4. Step 4: Simplify right side
    15,253.20x = 123,377,033.52
  5. Step 5: Solve for x
    x = 123,377,033.52/15,253.20
  6. Step 6: Final answer
    x = 8,088.60

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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.