Home / 10,480.50-14,459.56-7,117.48

Finding the Fourth Proportional to 10,480.50, 14,459.56 and 7,117.48

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Solution

The fourth proportional to 10,480.50, 14,459.56 and 7,117.48 is: 9,819.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.50 : 14,459.56 = 7,117.48 : x
  2. Step 2: Convert to fraction form
    10,480.50/14,459.56 = 7,117.48/x
  3. Step 3: Cross multiply
    10,480.50x = 14,459.56 × 7,117.48
  4. Step 4: Simplify right side
    10,480.50x = 102,915,629.11
  5. Step 5: Solve for x
    x = 102,915,629.11/10,480.50
  6. Step 6: Final answer
    x = 9,819.73

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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.