Home / 21,763.76-30,033.60-12,332.12

Finding the Fourth Proportional to 21,763.76, 30,033.60 and 12,332.12

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Solution

The fourth proportional to 21,763.76, 30,033.60 and 12,332.12 is: 17,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.76 : 30,033.60 = 12,332.12 : x
  2. Step 2: Convert to fraction form
    21,763.76/30,033.60 = 12,332.12/x
  3. Step 3: Cross multiply
    21,763.76x = 30,033.60 × 12,332.12
  4. Step 4: Simplify right side
    21,763.76x = 370,377,959.23
  5. Step 5: Solve for x
    x = 370,377,959.23/21,763.76
  6. Step 6: Final answer
    x = 17,018.11

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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.