Home / 22,753.05-31,395.65-12,678.27

Finding the Fourth Proportional to 22,753.05, 31,395.65 and 12,678.27

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Solution

The fourth proportional to 22,753.05, 31,395.65 and 12,678.27 is: 17,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,753.05 : 31,395.65 = 12,678.27 : x
  2. Step 2: Convert to fraction form
    22,753.05/31,395.65 = 12,678.27/x
  3. Step 3: Cross multiply
    22,753.05x = 31,395.65 × 12,678.27
  4. Step 4: Simplify right side
    22,753.05x = 398,042,464.13
  5. Step 5: Solve for x
    x = 398,042,464.13/22,753.05
  6. Step 6: Final answer
    x = 17,494.03

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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.