Home / 21,763.71-30,034.50-12,332.19

Finding the Fourth Proportional to 21,763.71, 30,034.50 and 12,332.19

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Solution

The fourth proportional to 21,763.71, 30,034.50 and 12,332.19 is: 17,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.71 : 30,034.50 = 12,332.19 : x
  2. Step 2: Convert to fraction form
    21,763.71/30,034.50 = 12,332.19/x
  3. Step 3: Cross multiply
    21,763.71x = 30,034.50 × 12,332.19
  4. Step 4: Simplify right side
    21,763.71x = 370,391,160.56
  5. Step 5: Solve for x
    x = 370,391,160.56/21,763.71
  6. Step 6: Final answer
    x = 17,018.75

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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.