Home / 10,071.52-15,113.36-7,173.92

Finding the Fourth Proportional to 10,071.52, 15,113.36 and 7,173.92

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Solution

The fourth proportional to 10,071.52, 15,113.36 and 7,173.92 is: 10,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.52 : 15,113.36 = 7,173.92 : x
  2. Step 2: Convert to fraction form
    10,071.52/15,113.36 = 7,173.92/x
  3. Step 3: Cross multiply
    10,071.52x = 15,113.36 × 7,173.92
  4. Step 4: Simplify right side
    10,071.52x = 108,422,035.57
  5. Step 5: Solve for x
    x = 108,422,035.57/10,071.52
  6. Step 6: Final answer
    x = 10,765.21

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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.