Home / 18,216.27-25,138.91-10,258.76

Finding the Fourth Proportional to 18,216.27, 25,138.91 and 10,258.76

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Solution

The fourth proportional to 18,216.27, 25,138.91 and 10,258.76 is: 14,157.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.27 : 25,138.91 = 10,258.76 : x
  2. Step 2: Convert to fraction form
    18,216.27/25,138.91 = 10,258.76/x
  3. Step 3: Cross multiply
    18,216.27x = 25,138.91 × 10,258.76
  4. Step 4: Simplify right side
    18,216.27x = 257,894,132.85
  5. Step 5: Solve for x
    x = 257,894,132.85/18,216.27
  6. Step 6: Final answer
    x = 14,157.35

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Half scale
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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.