Home / 19,301.93-28,948.84-5,447.69

Finding the Fourth Proportional to 19,301.93, 28,948.84 and 5,447.69

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Solution

The fourth proportional to 19,301.93, 28,948.84 and 5,447.69 is: 8,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.93 : 28,948.84 = 5,447.69 : x
  2. Step 2: Convert to fraction form
    19,301.93/28,948.84 = 5,447.69/x
  3. Step 3: Cross multiply
    19,301.93x = 28,948.84 × 5,447.69
  4. Step 4: Simplify right side
    19,301.93x = 157,704,306.18
  5. Step 5: Solve for x
    x = 157,704,306.18/19,301.93
  6. Step 6: Final answer
    x = 8,170.39

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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.