Home / 22,439.70-30,960.23-13,948.07

Finding the Fourth Proportional to 22,439.70, 30,960.23 and 13,948.07

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Solution

The fourth proportional to 22,439.70, 30,960.23 and 13,948.07 is: 19,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.70 : 30,960.23 = 13,948.07 : x
  2. Step 2: Convert to fraction form
    22,439.70/30,960.23 = 13,948.07/x
  3. Step 3: Cross multiply
    22,439.70x = 30,960.23 × 13,948.07
  4. Step 4: Simplify right side
    22,439.70x = 431,835,230.71
  5. Step 5: Solve for x
    x = 431,835,230.71/22,439.70
  6. Step 6: Final answer
    x = 19,244.25

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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.