Home / 15,204.66-22,806.99-12,146.10

Finding the Fourth Proportional to 15,204.66, 22,806.99 and 12,146.10

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Solution

The fourth proportional to 15,204.66, 22,806.99 and 12,146.10 is: 18,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204.66 : 22,806.99 = 12,146.10 : x
  2. Step 2: Convert to fraction form
    15,204.66/22,806.99 = 12,146.10/x
  3. Step 3: Cross multiply
    15,204.66x = 22,806.99 × 12,146.10
  4. Step 4: Simplify right side
    15,204.66x = 277,015,981.24
  5. Step 5: Solve for x
    x = 277,015,981.24/15,204.66
  6. Step 6: Final answer
    x = 18,219.15

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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.