Home / 18,330.18-27,475.98-11,671.74

Finding the Fourth Proportional to 18,330.18, 27,475.98 and 11,671.74

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Solution

The fourth proportional to 18,330.18, 27,475.98 and 11,671.74 is: 17,495.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.18 : 27,475.98 = 11,671.74 : x
  2. Step 2: Convert to fraction form
    18,330.18/27,475.98 = 11,671.74/x
  3. Step 3: Cross multiply
    18,330.18x = 27,475.98 × 11,671.74
  4. Step 4: Simplify right side
    18,330.18x = 320,692,494.81
  5. Step 5: Solve for x
    x = 320,692,494.81/18,330.18
  6. Step 6: Final answer
    x = 17,495.33

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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.