Home / 19,153.73-28,669.15-10,246.78

Finding the Fourth Proportional to 19,153.73, 28,669.15 and 10,246.78

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Solution

The fourth proportional to 19,153.73, 28,669.15 and 10,246.78 is: 15,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.73 : 28,669.15 = 10,246.78 : x
  2. Step 2: Convert to fraction form
    19,153.73/28,669.15 = 10,246.78/x
  3. Step 3: Cross multiply
    19,153.73x = 28,669.15 × 10,246.78
  4. Step 4: Simplify right side
    19,153.73x = 293,766,576.21
  5. Step 5: Solve for x
    x = 293,766,576.21/19,153.73
  6. Step 6: Final answer
    x = 15,337.30

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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.