Home / 10,908.18-16,378.68-6,545.16

Finding the Fourth Proportional to 10,908.18, 16,378.68 and 6,545.16

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Solution

The fourth proportional to 10,908.18, 16,378.68 and 6,545.16 is: 9,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.18 : 16,378.68 = 6,545.16 : x
  2. Step 2: Convert to fraction form
    10,908.18/16,378.68 = 6,545.16/x
  3. Step 3: Cross multiply
    10,908.18x = 16,378.68 × 6,545.16
  4. Step 4: Simplify right side
    10,908.18x = 107,201,081.19
  5. Step 5: Solve for x
    x = 107,201,081.19/10,908.18
  6. Step 6: Final answer
    x = 9,827.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.