Home / 22,264.40-30,712.56-15,201.20

Finding the Fourth Proportional to 22,264.40, 30,712.56 and 15,201.20

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Solution

The fourth proportional to 22,264.40, 30,712.56 and 15,201.20 is: 20,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,264.40 : 30,712.56 = 15,201.20 : x
  2. Step 2: Convert to fraction form
    22,264.40/30,712.56 = 15,201.20/x
  3. Step 3: Cross multiply
    22,264.40x = 30,712.56 × 15,201.20
  4. Step 4: Simplify right side
    22,264.40x = 466,867,767.07
  5. Step 5: Solve for x
    x = 466,867,767.07/22,264.40
  6. Step 6: Final answer
    x = 20,969.25

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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.