Home / 21,498.12-32,256.36-11,625.84

Finding the Fourth Proportional to 21,498.12, 32,256.36 and 11,625.84

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Solution

The fourth proportional to 21,498.12, 32,256.36 and 11,625.84 is: 17,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.12 : 32,256.36 = 11,625.84 : x
  2. Step 2: Convert to fraction form
    21,498.12/32,256.36 = 11,625.84/x
  3. Step 3: Cross multiply
    21,498.12x = 32,256.36 × 11,625.84
  4. Step 4: Simplify right side
    21,498.12x = 375,007,280.34
  5. Step 5: Solve for x
    x = 375,007,280.34/21,498.12
  6. Step 6: Final answer
    x = 17,443.72

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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.