Home / 10,308.60-15,446.91-7,152.21

Finding the Fourth Proportional to 10,308.60, 15,446.91 and 7,152.21

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Solution

The fourth proportional to 10,308.60, 15,446.91 and 7,152.21 is: 10,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308.60 : 15,446.91 = 7,152.21 : x
  2. Step 2: Convert to fraction form
    10,308.60/15,446.91 = 7,152.21/x
  3. Step 3: Cross multiply
    10,308.60x = 15,446.91 × 7,152.21
  4. Step 4: Simplify right side
    10,308.60x = 110,479,544.17
  5. Step 5: Solve for x
    x = 110,479,544.17/10,308.60
  6. Step 6: Final answer
    x = 10,717.22

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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.