Home / 15,419.64-23,140.42-13,932.48

Finding the Fourth Proportional to 15,419.64, 23,140.42 and 13,932.48

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Solution

The fourth proportional to 15,419.64, 23,140.42 and 13,932.48 is: 20,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.64 : 23,140.42 = 13,932.48 : x
  2. Step 2: Convert to fraction form
    15,419.64/23,140.42 = 13,932.48/x
  3. Step 3: Cross multiply
    15,419.64x = 23,140.42 × 13,932.48
  4. Step 4: Simplify right side
    15,419.64x = 322,403,438.84
  5. Step 5: Solve for x
    x = 322,403,438.84/15,419.64
  6. Step 6: Final answer
    x = 20,908.62

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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.