Home / 10,818.72-14,930.97-6,342.66

Finding the Fourth Proportional to 10,818.72, 14,930.97 and 6,342.66

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Solution

The fourth proportional to 10,818.72, 14,930.97 and 6,342.66 is: 8,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.72 : 14,930.97 = 6,342.66 : x
  2. Step 2: Convert to fraction form
    10,818.72/14,930.97 = 6,342.66/x
  3. Step 3: Cross multiply
    10,818.72x = 14,930.97 × 6,342.66
  4. Step 4: Simplify right side
    10,818.72x = 94,702,066.18
  5. Step 5: Solve for x
    x = 94,702,066.18/10,818.72
  6. Step 6: Final answer
    x = 8,753.54

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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.