Home / 21,531.42-32,299.56-9,841.50

Finding the Fourth Proportional to 21,531.42, 32,299.56 and 9,841.50

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Solution

The fourth proportional to 21,531.42, 32,299.56 and 9,841.50 is: 14,763.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.42 : 32,299.56 = 9,841.50 : x
  2. Step 2: Convert to fraction form
    21,531.42/32,299.56 = 9,841.50/x
  3. Step 3: Cross multiply
    21,531.42x = 32,299.56 × 9,841.50
  4. Step 4: Simplify right side
    21,531.42x = 317,876,119.74
  5. Step 5: Solve for x
    x = 317,876,119.74/21,531.42
  6. Step 6: Final answer
    x = 14,763.36

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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.