Home / 22,252.02-30,697.41-12,815.11

Finding the Fourth Proportional to 22,252.02, 30,697.41 and 12,815.11

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Solution

The fourth proportional to 22,252.02, 30,697.41 and 12,815.11 is: 17,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.02 : 30,697.41 = 12,815.11 : x
  2. Step 2: Convert to fraction form
    22,252.02/30,697.41 = 12,815.11/x
  3. Step 3: Cross multiply
    22,252.02x = 30,697.41 × 12,815.11
  4. Step 4: Simplify right side
    22,252.02x = 393,390,685.87
  5. Step 5: Solve for x
    x = 393,390,685.87/22,252.02
  6. Step 6: Final answer
    x = 17,678.88

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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.