Home / 20,087.52-30,131.95-9,552.12

Finding the Fourth Proportional to 20,087.52, 30,131.95 and 9,552.12

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Solution

The fourth proportional to 20,087.52, 30,131.95 and 9,552.12 is: 14,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.52 : 30,131.95 = 9,552.12 : x
  2. Step 2: Convert to fraction form
    20,087.52/30,131.95 = 9,552.12/x
  3. Step 3: Cross multiply
    20,087.52x = 30,131.95 × 9,552.12
  4. Step 4: Simplify right side
    20,087.52x = 287,824,002.23
  5. Step 5: Solve for x
    x = 287,824,002.23/20,087.52
  6. Step 6: Final answer
    x = 14,328.50

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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.