Home / 15,378.80-23,079.15-6,616.22

Finding the Fourth Proportional to 15,378.80, 23,079.15 and 6,616.22

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Solution

The fourth proportional to 15,378.80, 23,079.15 and 6,616.22 is: 9,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.80 : 23,079.15 = 6,616.22 : x
  2. Step 2: Convert to fraction form
    15,378.80/23,079.15 = 6,616.22/x
  3. Step 3: Cross multiply
    15,378.80x = 23,079.15 × 6,616.22
  4. Step 4: Simplify right side
    15,378.80x = 152,696,618.42
  5. Step 5: Solve for x
    x = 152,696,618.42/15,378.80
  6. Step 6: Final answer
    x = 9,929.04

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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.