Home / 18,246.40-25,145.63-13,202.08

Finding the Fourth Proportional to 18,246.40, 25,145.63 and 13,202.08

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Solution

The fourth proportional to 18,246.40, 25,145.63 and 13,202.08 is: 18,193.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.40 : 25,145.63 = 13,202.08 : x
  2. Step 2: Convert to fraction form
    18,246.40/25,145.63 = 13,202.08/x
  3. Step 3: Cross multiply
    18,246.40x = 25,145.63 × 13,202.08
  4. Step 4: Simplify right side
    18,246.40x = 331,974,552.90
  5. Step 5: Solve for x
    x = 331,974,552.90/18,246.40
  6. Step 6: Final answer
    x = 18,193.98

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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.