Home / 15,021.36-22,538.52-8,100.72

Finding the Fourth Proportional to 15,021.36, 22,538.52 and 8,100.72

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Solution

The fourth proportional to 15,021.36, 22,538.52 and 8,100.72 is: 12,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.36 : 22,538.52 = 8,100.72 : x
  2. Step 2: Convert to fraction form
    15,021.36/22,538.52 = 8,100.72/x
  3. Step 3: Cross multiply
    15,021.36x = 22,538.52 × 8,100.72
  4. Step 4: Simplify right side
    15,021.36x = 182,578,239.73
  5. Step 5: Solve for x
    x = 182,578,239.73/15,021.36
  6. Step 6: Final answer
    x = 12,154.57

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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.