Home / 15,216.39-22,815.27-5,356.80

Finding the Fourth Proportional to 15,216.39, 22,815.27 and 5,356.80

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Solution

The fourth proportional to 15,216.39, 22,815.27 and 5,356.80 is: 8,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,216.39 : 22,815.27 = 5,356.80 : x
  2. Step 2: Convert to fraction form
    15,216.39/22,815.27 = 5,356.80/x
  3. Step 3: Cross multiply
    15,216.39x = 22,815.27 × 5,356.80
  4. Step 4: Simplify right side
    15,216.39x = 122,216,838.34
  5. Step 5: Solve for x
    x = 122,216,838.34/15,216.39
  6. Step 6: Final answer
    x = 8,031.92

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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.