Home / 15,827.20-21,841.48-9,110.37

Finding the Fourth Proportional to 15,827.20, 21,841.48 and 9,110.37

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Solution

The fourth proportional to 15,827.20, 21,841.48 and 9,110.37 is: 12,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,827.20 : 21,841.48 = 9,110.37 : x
  2. Step 2: Convert to fraction form
    15,827.20/21,841.48 = 9,110.37/x
  3. Step 3: Cross multiply
    15,827.20x = 21,841.48 × 9,110.37
  4. Step 4: Simplify right side
    15,827.20x = 198,984,057.44
  5. Step 5: Solve for x
    x = 198,984,057.44/15,827.20
  6. Step 6: Final answer
    x = 12,572.29

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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.