Home / 19,143.85-28,654.33-10,236.93

Finding the Fourth Proportional to 19,143.85, 28,654.33 and 10,236.93

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Solution

The fourth proportional to 19,143.85, 28,654.33 and 10,236.93 is: 15,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.85 : 28,654.33 = 10,236.93 : x
  2. Step 2: Convert to fraction form
    19,143.85/28,654.33 = 10,236.93/x
  3. Step 3: Cross multiply
    19,143.85x = 28,654.33 × 10,236.93
  4. Step 4: Simplify right side
    19,143.85x = 293,332,175.95
  5. Step 5: Solve for x
    x = 293,332,175.95/19,143.85
  6. Step 6: Final answer
    x = 15,322.53

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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.