Home / 22,239-33,368.18-13,938.04

Finding the Fourth Proportional to 22,239, 33,368.18 and 13,938.04

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Solution

The fourth proportional to 22,239, 33,368.18 and 13,938.04 is: 20,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239 : 33,368.18 = 13,938.04 : x
  2. Step 2: Convert to fraction form
    22,239/33,368.18 = 13,938.04/x
  3. Step 3: Cross multiply
    22,239x = 33,368.18 × 13,938.04
  4. Step 4: Simplify right side
    22,239x = 465,087,027.57
  5. Step 5: Solve for x
    x = 465,087,027.57/22,239
  6. Step 6: Final answer
    x = 20,913.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.