Home / 9,512.54-13,127.18-5,320.79

Finding the Fourth Proportional to 9,512.54, 13,127.18 and 5,320.79

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Solution

The fourth proportional to 9,512.54, 13,127.18 and 5,320.79 is: 7,342.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.54 : 13,127.18 = 5,320.79 : x
  2. Step 2: Convert to fraction form
    9,512.54/13,127.18 = 5,320.79/x
  3. Step 3: Cross multiply
    9,512.54x = 13,127.18 × 5,320.79
  4. Step 4: Simplify right side
    9,512.54x = 69,846,974.29
  5. Step 5: Solve for x
    x = 69,846,974.29/9,512.54
  6. Step 6: Final answer
    x = 7,342.62

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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.