Home / 18,162.95-25,047.41-11,787.19

Finding the Fourth Proportional to 18,162.95, 25,047.41 and 11,787.19

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Solution

The fourth proportional to 18,162.95, 25,047.41 and 11,787.19 is: 16,254.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.95 : 25,047.41 = 11,787.19 : x
  2. Step 2: Convert to fraction form
    18,162.95/25,047.41 = 11,787.19/x
  3. Step 3: Cross multiply
    18,162.95x = 25,047.41 × 11,787.19
  4. Step 4: Simplify right side
    18,162.95x = 295,238,459.12
  5. Step 5: Solve for x
    x = 295,238,459.12/18,162.95
  6. Step 6: Final answer
    x = 16,254.99

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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.