Home / 11,876.67-16,388.33-6,570.81

Finding the Fourth Proportional to 11,876.67, 16,388.33 and 6,570.81

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Solution

The fourth proportional to 11,876.67, 16,388.33 and 6,570.81 is: 9,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.67 : 16,388.33 = 6,570.81 : x
  2. Step 2: Convert to fraction form
    11,876.67/16,388.33 = 6,570.81/x
  3. Step 3: Cross multiply
    11,876.67x = 16,388.33 × 6,570.81
  4. Step 4: Simplify right side
    11,876.67x = 107,684,569.79
  5. Step 5: Solve for x
    x = 107,684,569.79/11,876.67
  6. Step 6: Final answer
    x = 9,066.90

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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.