Home / 15,283.35-22,820.46-13,691.82

Finding the Fourth Proportional to 15,283.35, 22,820.46 and 13,691.82

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Solution

The fourth proportional to 15,283.35, 22,820.46 and 13,691.82 is: 20,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.35 : 22,820.46 = 13,691.82 : x
  2. Step 2: Convert to fraction form
    15,283.35/22,820.46 = 13,691.82/x
  3. Step 3: Cross multiply
    15,283.35x = 22,820.46 × 13,691.82
  4. Step 4: Simplify right side
    15,283.35x = 312,453,630.64
  5. Step 5: Solve for x
    x = 312,453,630.64/15,283.35
  6. Step 6: Final answer
    x = 20,444.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.