Home / 22,359.02-30,856.26-12,287.88

Finding the Fourth Proportional to 22,359.02, 30,856.26 and 12,287.88

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Solution

The fourth proportional to 22,359.02, 30,856.26 and 12,287.88 is: 16,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.02 : 30,856.26 = 12,287.88 : x
  2. Step 2: Convert to fraction form
    22,359.02/30,856.26 = 12,287.88/x
  3. Step 3: Cross multiply
    22,359.02x = 30,856.26 × 12,287.88
  4. Step 4: Simplify right side
    22,359.02x = 379,158,020.13
  5. Step 5: Solve for x
    x = 379,158,020.13/22,359.02
  6. Step 6: Final answer
    x = 16,957.72

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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.