Home / 15,604.68-21,535.56-9,236.46

Finding the Fourth Proportional to 15,604.68, 21,535.56 and 9,236.46

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Solution

The fourth proportional to 15,604.68, 21,535.56 and 9,236.46 is: 12,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.68 : 21,535.56 = 9,236.46 : x
  2. Step 2: Convert to fraction form
    15,604.68/21,535.56 = 9,236.46/x
  3. Step 3: Cross multiply
    15,604.68x = 21,535.56 × 9,236.46
  4. Step 4: Simplify right side
    15,604.68x = 198,912,338.52
  5. Step 5: Solve for x
    x = 198,912,338.52/15,604.68
  6. Step 6: Final answer
    x = 12,746.97

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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.