Home / 12,873.24-19,277.18-10,787.76

Finding the Fourth Proportional to 12,873.24, 19,277.18 and 10,787.76

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Solution

The fourth proportional to 12,873.24, 19,277.18 and 10,787.76 is: 16,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.24 : 19,277.18 = 10,787.76 : x
  2. Step 2: Convert to fraction form
    12,873.24/19,277.18 = 10,787.76/x
  3. Step 3: Cross multiply
    12,873.24x = 19,277.18 × 10,787.76
  4. Step 4: Simplify right side
    12,873.24x = 207,957,591.32
  5. Step 5: Solve for x
    x = 207,957,591.32/12,873.24
  6. Step 6: Final answer
    x = 16,154.25

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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.