Home / 18,258.08-27,387.01-7,156.92

Finding the Fourth Proportional to 18,258.08, 27,387.01 and 7,156.92

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Solution

The fourth proportional to 18,258.08, 27,387.01 and 7,156.92 is: 10,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.08 : 27,387.01 = 7,156.92 : x
  2. Step 2: Convert to fraction form
    18,258.08/27,387.01 = 7,156.92/x
  3. Step 3: Cross multiply
    18,258.08x = 27,387.01 × 7,156.92
  4. Step 4: Simplify right side
    18,258.08x = 196,006,751.26
  5. Step 5: Solve for x
    x = 196,006,751.26/18,258.08
  6. Step 6: Final answer
    x = 10,735.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.