Home / 11,275.60-15,565.76-7,505.04

Finding the Fourth Proportional to 11,275.60, 15,565.76 and 7,505.04

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Solution

The fourth proportional to 11,275.60, 15,565.76 and 7,505.04 is: 10,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.60 : 15,565.76 = 7,505.04 : x
  2. Step 2: Convert to fraction form
    11,275.60/15,565.76 = 7,505.04/x
  3. Step 3: Cross multiply
    11,275.60x = 15,565.76 × 7,505.04
  4. Step 4: Simplify right side
    11,275.60x = 116,821,651.43
  5. Step 5: Solve for x
    x = 116,821,651.43/11,275.60
  6. Step 6: Final answer
    x = 10,360.57

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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.