Home / 22,200.60-30,637.02-12,129.06

Finding the Fourth Proportional to 22,200.60, 30,637.02 and 12,129.06

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Solution

The fourth proportional to 22,200.60, 30,637.02 and 12,129.06 is: 16,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.60 : 30,637.02 = 12,129.06 : x
  2. Step 2: Convert to fraction form
    22,200.60/30,637.02 = 12,129.06/x
  3. Step 3: Cross multiply
    22,200.60x = 30,637.02 × 12,129.06
  4. Step 4: Simplify right side
    22,200.60x = 371,598,253.80
  5. Step 5: Solve for x
    x = 371,598,253.80/22,200.60
  6. Step 6: Final answer
    x = 16,738.21

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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.