Home / 18,401.84-27,602.76-12,865.92

Finding the Fourth Proportional to 18,401.84, 27,602.76 and 12,865.92

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Solution

The fourth proportional to 18,401.84, 27,602.76 and 12,865.92 is: 19,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.84 : 27,602.76 = 12,865.92 : x
  2. Step 2: Convert to fraction form
    18,401.84/27,602.76 = 12,865.92/x
  3. Step 3: Cross multiply
    18,401.84x = 27,602.76 × 12,865.92
  4. Step 4: Simplify right side
    18,401.84x = 355,134,901.94
  5. Step 5: Solve for x
    x = 355,134,901.94/18,401.84
  6. Step 6: Final answer
    x = 19,298.88

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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.