Home / 22,470.31-31,020.26-13,975.16

Finding the Fourth Proportional to 22,470.31, 31,020.26 and 13,975.16

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Solution

The fourth proportional to 22,470.31, 31,020.26 and 13,975.16 is: 19,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.31 : 31,020.26 = 13,975.16 : x
  2. Step 2: Convert to fraction form
    22,470.31/31,020.26 = 13,975.16/x
  3. Step 3: Cross multiply
    22,470.31x = 31,020.26 × 13,975.16
  4. Step 4: Simplify right side
    22,470.31x = 433,513,104.42
  5. Step 5: Solve for x
    x = 433,513,104.42/22,470.31
  6. Step 6: Final answer
    x = 19,292.71

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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.