Home / 11,972.41-16,518.05-6,666.19

Finding the Fourth Proportional to 11,972.41, 16,518.05 and 6,666.19

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Solution

The fourth proportional to 11,972.41, 16,518.05 and 6,666.19 is: 9,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.41 : 16,518.05 = 6,666.19 : x
  2. Step 2: Convert to fraction form
    11,972.41/16,518.05 = 6,666.19/x
  3. Step 3: Cross multiply
    11,972.41x = 16,518.05 × 6,666.19
  4. Step 4: Simplify right side
    11,972.41x = 110,112,426.40
  5. Step 5: Solve for x
    x = 110,112,426.40/11,972.41
  6. Step 6: Final answer
    x = 9,197.18

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Double scale
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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.