Home / 12,267.79-18,401.85-3,502.70

Finding the Fourth Proportional to 12,267.79, 18,401.85 and 3,502.70

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Solution

The fourth proportional to 12,267.79, 18,401.85 and 3,502.70 is: 5,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.79 : 18,401.85 = 3,502.70 : x
  2. Step 2: Convert to fraction form
    12,267.79/18,401.85 = 3,502.70/x
  3. Step 3: Cross multiply
    12,267.79x = 18,401.85 × 3,502.70
  4. Step 4: Simplify right side
    12,267.79x = 64,456,160.00
  5. Step 5: Solve for x
    x = 64,456,160.00/12,267.79
  6. Step 6: Final answer
    x = 5,254.10

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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.