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Finding the Fourth Proportional to 11,793.29, 16,275.06 and 6,488.06

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Solution

The fourth proportional to 11,793.29, 16,275.06 and 6,488.06 is: 8,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.29 : 16,275.06 = 6,488.06 : x
  2. Step 2: Convert to fraction form
    11,793.29/16,275.06 = 6,488.06/x
  3. Step 3: Cross multiply
    11,793.29x = 16,275.06 × 6,488.06
  4. Step 4: Simplify right side
    11,793.29x = 105,593,484.41
  5. Step 5: Solve for x
    x = 105,593,484.41/11,793.29
  6. Step 6: Final answer
    x = 8,953.70

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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.