Home / 11,812.98-16,302.33-6,508.20

Finding the Fourth Proportional to 11,812.98, 16,302.33 and 6,508.20

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Solution

The fourth proportional to 11,812.98, 16,302.33 and 6,508.20 is: 8,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.98 : 16,302.33 = 6,508.20 : x
  2. Step 2: Convert to fraction form
    11,812.98/16,302.33 = 6,508.20/x
  3. Step 3: Cross multiply
    11,812.98x = 16,302.33 × 6,508.20
  4. Step 4: Simplify right side
    11,812.98x = 106,098,824.11
  5. Step 5: Solve for x
    x = 106,098,824.11/11,812.98
  6. Step 6: Final answer
    x = 8,981.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.