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Finding the Fourth Proportional to 15,959.94, 22,024.72 and 8,888.02

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Solution

The fourth proportional to 15,959.94, 22,024.72 and 8,888.02 is: 12,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.94 : 22,024.72 = 8,888.02 : x
  2. Step 2: Convert to fraction form
    15,959.94/22,024.72 = 8,888.02/x
  3. Step 3: Cross multiply
    15,959.94x = 22,024.72 × 8,888.02
  4. Step 4: Simplify right side
    15,959.94x = 195,756,151.85
  5. Step 5: Solve for x
    x = 195,756,151.85/15,959.94
  6. Step 6: Final answer
    x = 12,265.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.