Home / 16,294.05-22,490.87-12,942.81

Finding the Fourth Proportional to 16,294.05, 22,490.87 and 12,942.81

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Solution

The fourth proportional to 16,294.05, 22,490.87 and 12,942.81 is: 17,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,294.05 : 22,490.87 = 12,942.81 : x
  2. Step 2: Convert to fraction form
    16,294.05/22,490.87 = 12,942.81/x
  3. Step 3: Cross multiply
    16,294.05x = 22,490.87 × 12,942.81
  4. Step 4: Simplify right side
    16,294.05x = 291,094,992.43
  5. Step 5: Solve for x
    x = 291,094,992.43/16,294.05
  6. Step 6: Final answer
    x = 17,865.11

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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.