Home / 18,811.29-25,960.41-11,256.18

Finding the Fourth Proportional to 18,811.29, 25,960.41 and 11,256.18

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Solution

The fourth proportional to 18,811.29, 25,960.41 and 11,256.18 is: 15,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,811.29 : 25,960.41 = 11,256.18 : x
  2. Step 2: Convert to fraction form
    18,811.29/25,960.41 = 11,256.18/x
  3. Step 3: Cross multiply
    18,811.29x = 25,960.41 × 11,256.18
  4. Step 4: Simplify right side
    18,811.29x = 292,214,931.59
  5. Step 5: Solve for x
    x = 292,214,931.59/18,811.29
  6. Step 6: Final answer
    x = 15,534.02

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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.