Home / 22,330.90-30,814.05-13,377.16

Finding the Fourth Proportional to 22,330.90, 30,814.05 and 13,377.16

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Solution

The fourth proportional to 22,330.90, 30,814.05 and 13,377.16 is: 18,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.90 : 30,814.05 = 13,377.16 : x
  2. Step 2: Convert to fraction form
    22,330.90/30,814.05 = 13,377.16/x
  3. Step 3: Cross multiply
    22,330.90x = 30,814.05 × 13,377.16
  4. Step 4: Simplify right side
    22,330.90x = 412,204,477.10
  5. Step 5: Solve for x
    x = 412,204,477.10/22,330.90
  6. Step 6: Final answer
    x = 18,458.93

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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.