Home / 18,340.31-25,325.14-11,637.83

Finding the Fourth Proportional to 18,340.31, 25,325.14 and 11,637.83

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Solution

The fourth proportional to 18,340.31, 25,325.14 and 11,637.83 is: 16,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.31 : 25,325.14 = 11,637.83 : x
  2. Step 2: Convert to fraction form
    18,340.31/25,325.14 = 11,637.83/x
  3. Step 3: Cross multiply
    18,340.31x = 25,325.14 × 11,637.83
  4. Step 4: Simplify right side
    18,340.31x = 294,729,674.05
  5. Step 5: Solve for x
    x = 294,729,674.05/18,340.31
  6. Step 6: Final answer
    x = 16,070.05

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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.