Home / 15,099.80-22,654.22-7,212.33

Finding the Fourth Proportional to 15,099.80, 22,654.22 and 7,212.33

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Solution

The fourth proportional to 15,099.80, 22,654.22 and 7,212.33 is: 10,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.80 : 22,654.22 = 7,212.33 : x
  2. Step 2: Convert to fraction form
    15,099.80/22,654.22 = 7,212.33/x
  3. Step 3: Cross multiply
    15,099.80x = 22,654.22 × 7,212.33
  4. Step 4: Simplify right side
    15,099.80x = 163,389,674.47
  5. Step 5: Solve for x
    x = 163,389,674.47/15,099.80
  6. Step 6: Final answer
    x = 10,820.66

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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.