Home / 15,869.01-21,899.96-9,063.63

Finding the Fourth Proportional to 15,869.01, 21,899.96 and 9,063.63

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Solution

The fourth proportional to 15,869.01, 21,899.96 and 9,063.63 is: 12,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869.01 : 21,899.96 = 9,063.63 : x
  2. Step 2: Convert to fraction form
    15,869.01/21,899.96 = 9,063.63/x
  3. Step 3: Cross multiply
    15,869.01x = 21,899.96 × 9,063.63
  4. Step 4: Simplify right side
    15,869.01x = 198,493,110.38
  5. Step 5: Solve for x
    x = 198,493,110.38/15,869.01
  6. Step 6: Final answer
    x = 12,508.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.