Home / 15,188.48-20,960.07-8,473.71

Finding the Fourth Proportional to 15,188.48, 20,960.07 and 8,473.71

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Solution

The fourth proportional to 15,188.48, 20,960.07 and 8,473.71 is: 11,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.48 : 20,960.07 = 8,473.71 : x
  2. Step 2: Convert to fraction form
    15,188.48/20,960.07 = 8,473.71/x
  3. Step 3: Cross multiply
    15,188.48x = 20,960.07 × 8,473.71
  4. Step 4: Simplify right side
    15,188.48x = 177,609,554.76
  5. Step 5: Solve for x
    x = 177,609,554.76/15,188.48
  6. Step 6: Final answer
    x = 11,693.70

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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.