Home / 18,193.76-27,305.35-9,431.18

Finding the Fourth Proportional to 18,193.76, 27,305.35 and 9,431.18

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Solution

The fourth proportional to 18,193.76, 27,305.35 and 9,431.18 is: 14,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.76 : 27,305.35 = 9,431.18 : x
  2. Step 2: Convert to fraction form
    18,193.76/27,305.35 = 9,431.18/x
  3. Step 3: Cross multiply
    18,193.76x = 27,305.35 × 9,431.18
  4. Step 4: Simplify right side
    18,193.76x = 257,521,670.81
  5. Step 5: Solve for x
    x = 257,521,670.81/18,193.76
  6. Step 6: Final answer
    x = 14,154.40

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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.