Home / 13,227.65-18,253.17-7,258.35

Finding the Fourth Proportional to 13,227.65, 18,253.17 and 7,258.35

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Solution

The fourth proportional to 13,227.65, 18,253.17 and 7,258.35 is: 10,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.65 : 18,253.17 = 7,258.35 : x
  2. Step 2: Convert to fraction form
    13,227.65/18,253.17 = 7,258.35/x
  3. Step 3: Cross multiply
    13,227.65x = 18,253.17 × 7,258.35
  4. Step 4: Simplify right side
    13,227.65x = 132,487,896.47
  5. Step 5: Solve for x
    x = 132,487,896.47/13,227.65
  6. Step 6: Final answer
    x = 10,015.98

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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.