Home / 21,689.52-32,531.40-6,108.36

Finding the Fourth Proportional to 21,689.52, 32,531.40 and 6,108.36

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Solution

The fourth proportional to 21,689.52, 32,531.40 and 6,108.36 is: 9,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.52 : 32,531.40 = 6,108.36 : x
  2. Step 2: Convert to fraction form
    21,689.52/32,531.40 = 6,108.36/x
  3. Step 3: Cross multiply
    21,689.52x = 32,531.40 × 6,108.36
  4. Step 4: Simplify right side
    21,689.52x = 198,713,502.50
  5. Step 5: Solve for x
    x = 198,713,502.50/21,689.52
  6. Step 6: Final answer
    x = 9,161.73

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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.