Home / 15,689.28-23,497.20-11,309.88

Finding the Fourth Proportional to 15,689.28, 23,497.20 and 11,309.88

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Solution

The fourth proportional to 15,689.28, 23,497.20 and 11,309.88 is: 16,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689.28 : 23,497.20 = 11,309.88 : x
  2. Step 2: Convert to fraction form
    15,689.28/23,497.20 = 11,309.88/x
  3. Step 3: Cross multiply
    15,689.28x = 23,497.20 × 11,309.88
  4. Step 4: Simplify right side
    15,689.28x = 265,750,512.34
  5. Step 5: Solve for x
    x = 265,750,512.34/15,689.28
  6. Step 6: Final answer
    x = 16,938.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.