Home / 9,505.78-13,117.22-5,256.85

Finding the Fourth Proportional to 9,505.78, 13,117.22 and 5,256.85

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Solution

The fourth proportional to 9,505.78, 13,117.22 and 5,256.85 is: 7,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.78 : 13,117.22 = 5,256.85 : x
  2. Step 2: Convert to fraction form
    9,505.78/13,117.22 = 5,256.85/x
  3. Step 3: Cross multiply
    9,505.78x = 13,117.22 × 5,256.85
  4. Step 4: Simplify right side
    9,505.78x = 68,955,257.96
  5. Step 5: Solve for x
    x = 68,955,257.96/9,505.78
  6. Step 6: Final answer
    x = 7,254.03

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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.