Home / 15,946.08-22,005.84-8,872.80

Finding the Fourth Proportional to 15,946.08, 22,005.84 and 8,872.80

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Solution

The fourth proportional to 15,946.08, 22,005.84 and 8,872.80 is: 12,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.08 : 22,005.84 = 8,872.80 : x
  2. Step 2: Convert to fraction form
    15,946.08/22,005.84 = 8,872.80/x
  3. Step 3: Cross multiply
    15,946.08x = 22,005.84 × 8,872.80
  4. Step 4: Simplify right side
    15,946.08x = 195,253,417.15
  5. Step 5: Solve for x
    x = 195,253,417.15/15,946.08
  6. Step 6: Final answer
    x = 12,244.60

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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.