Home / 13,174.33-18,177.63-7,868.13

Finding the Fourth Proportional to 13,174.33, 18,177.63 and 7,868.13

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Solution

The fourth proportional to 13,174.33, 18,177.63 and 7,868.13 is: 10,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.33 : 18,177.63 = 7,868.13 : x
  2. Step 2: Convert to fraction form
    13,174.33/18,177.63 = 7,868.13/x
  3. Step 3: Cross multiply
    13,174.33x = 18,177.63 × 7,868.13
  4. Step 4: Simplify right side
    13,174.33x = 143,023,955.93
  5. Step 5: Solve for x
    x = 143,023,955.93/13,174.33
  6. Step 6: Final answer
    x = 10,856.26

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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.