Home / 10,188.54-15,279.71-7,046.19

Finding the Fourth Proportional to 10,188.54, 15,279.71 and 7,046.19

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Solution

The fourth proportional to 10,188.54, 15,279.71 and 7,046.19 is: 10,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.54 : 15,279.71 = 7,046.19 : x
  2. Step 2: Convert to fraction form
    10,188.54/15,279.71 = 7,046.19/x
  3. Step 3: Cross multiply
    10,188.54x = 15,279.71 × 7,046.19
  4. Step 4: Simplify right side
    10,188.54x = 107,663,704.57
  5. Step 5: Solve for x
    x = 107,663,704.57/10,188.54
  6. Step 6: Final answer
    x = 10,567.14

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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.