Home / 15,419.68-23,133.30-5,559.64

Finding the Fourth Proportional to 15,419.68, 23,133.30 and 5,559.64

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Solution

The fourth proportional to 15,419.68, 23,133.30 and 5,559.64 is: 8,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.68 : 23,133.30 = 5,559.64 : x
  2. Step 2: Convert to fraction form
    15,419.68/23,133.30 = 5,559.64/x
  3. Step 3: Cross multiply
    15,419.68x = 23,133.30 × 5,559.64
  4. Step 4: Simplify right side
    15,419.68x = 128,612,820.01
  5. Step 5: Solve for x
    x = 128,612,820.01/15,419.68
  6. Step 6: Final answer
    x = 8,340.82

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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.