Home / 15,419.94-23,128.04-4,327.52

Finding the Fourth Proportional to 15,419.94, 23,128.04 and 4,327.52

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Solution

The fourth proportional to 15,419.94, 23,128.04 and 4,327.52 is: 6,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.94 : 23,128.04 = 4,327.52 : x
  2. Step 2: Convert to fraction form
    15,419.94/23,128.04 = 4,327.52/x
  3. Step 3: Cross multiply
    15,419.94x = 23,128.04 × 4,327.52
  4. Step 4: Simplify right side
    15,419.94x = 100,087,055.66
  5. Step 5: Solve for x
    x = 100,087,055.66/15,419.94
  6. Step 6: Final answer
    x = 6,490.76

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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.