Home / 18,523.36-25,562.28-10,140.40

Finding the Fourth Proportional to 18,523.36, 25,562.28 and 10,140.40

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Solution

The fourth proportional to 18,523.36, 25,562.28 and 10,140.40 is: 13,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.36 : 25,562.28 = 10,140.40 : x
  2. Step 2: Convert to fraction form
    18,523.36/25,562.28 = 10,140.40/x
  3. Step 3: Cross multiply
    18,523.36x = 25,562.28 × 10,140.40
  4. Step 4: Simplify right side
    18,523.36x = 259,211,744.11
  5. Step 5: Solve for x
    x = 259,211,744.11/18,523.36
  6. Step 6: Final answer
    x = 13,993.78

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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.