Home / 15,946.25-22,005.23-8,872.52

Finding the Fourth Proportional to 15,946.25, 22,005.23 and 8,872.52

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Solution

The fourth proportional to 15,946.25, 22,005.23 and 8,872.52 is: 12,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.25 : 22,005.23 = 8,872.52 : x
  2. Step 2: Convert to fraction form
    15,946.25/22,005.23 = 8,872.52/x
  3. Step 3: Cross multiply
    15,946.25x = 22,005.23 × 8,872.52
  4. Step 4: Simplify right side
    15,946.25x = 195,241,853.93
  5. Step 5: Solve for x
    x = 195,241,853.93/15,946.25
  6. Step 6: Final answer
    x = 12,243.75

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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.