Home / 10,106.75-15,117.92-7,104.60

Finding the Fourth Proportional to 10,106.75, 15,117.92 and 7,104.60

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Solution

The fourth proportional to 10,106.75, 15,117.92 and 7,104.60 is: 10,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.75 : 15,117.92 = 7,104.60 : x
  2. Step 2: Convert to fraction form
    10,106.75/15,117.92 = 7,104.60/x
  3. Step 3: Cross multiply
    10,106.75x = 15,117.92 × 7,104.60
  4. Step 4: Simplify right side
    10,106.75x = 107,406,738.91
  5. Step 5: Solve for x
    x = 107,406,738.91/10,106.75
  6. Step 6: Final answer
    x = 10,627.23

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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.