Home / 15,309.42-22,966.29-5,445.78

Finding the Fourth Proportional to 15,309.42, 22,966.29 and 5,445.78

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Solution

The fourth proportional to 15,309.42, 22,966.29 and 5,445.78 is: 8,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.42 : 22,966.29 = 5,445.78 : x
  2. Step 2: Convert to fraction form
    15,309.42/22,966.29 = 5,445.78/x
  3. Step 3: Cross multiply
    15,309.42x = 22,966.29 × 5,445.78
  4. Step 4: Simplify right side
    15,309.42x = 125,069,362.76
  5. Step 5: Solve for x
    x = 125,069,362.76/15,309.42
  6. Step 6: Final answer
    x = 8,169.44

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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.