Home / 10,275.12-15,416.33-4,430.97

Finding the Fourth Proportional to 10,275.12, 15,416.33 and 4,430.97

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Solution

The fourth proportional to 10,275.12, 15,416.33 and 4,430.97 is: 6,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.12 : 15,416.33 = 4,430.97 : x
  2. Step 2: Convert to fraction form
    10,275.12/15,416.33 = 4,430.97/x
  3. Step 3: Cross multiply
    10,275.12x = 15,416.33 × 4,430.97
  4. Step 4: Simplify right side
    10,275.12x = 68,309,273.59
  5. Step 5: Solve for x
    x = 68,309,273.59/10,275.12
  6. Step 6: Final answer
    x = 6,648.03

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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.