Home / 9,502.20-13,112.55-5,310.45

Finding the Fourth Proportional to 9,502.20, 13,112.55 and 5,310.45

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Solution

The fourth proportional to 9,502.20, 13,112.55 and 5,310.45 is: 7,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,502.20 : 13,112.55 = 5,310.45 : x
  2. Step 2: Convert to fraction form
    9,502.20/13,112.55 = 5,310.45/x
  3. Step 3: Cross multiply
    9,502.20x = 13,112.55 × 5,310.45
  4. Step 4: Simplify right side
    9,502.20x = 69,633,541.15
  5. Step 5: Solve for x
    x = 69,633,541.15/9,502.20
  6. Step 6: Final answer
    x = 7,328.15

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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.