Home / 21,566.20-32,338.36-9,869.39

Finding the Fourth Proportional to 21,566.20, 32,338.36 and 9,869.39

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Solution

The fourth proportional to 21,566.20, 32,338.36 and 9,869.39 is: 14,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.20 : 32,338.36 = 9,869.39 : x
  2. Step 2: Convert to fraction form
    21,566.20/32,338.36 = 9,869.39/x
  3. Step 3: Cross multiply
    21,566.20x = 32,338.36 × 9,869.39
  4. Step 4: Simplify right side
    21,566.20x = 319,159,886.80
  5. Step 5: Solve for x
    x = 319,159,886.80/21,566.20
  6. Step 6: Final answer
    x = 14,799.08

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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.