Home / 8,910.18-13,369.92-6,465.18

Finding the Fourth Proportional to 8,910.18, 13,369.92 and 6,465.18

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Solution

The fourth proportional to 8,910.18, 13,369.92 and 6,465.18 is: 9,701.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.18 : 13,369.92 = 6,465.18 : x
  2. Step 2: Convert to fraction form
    8,910.18/13,369.92 = 6,465.18/x
  3. Step 3: Cross multiply
    8,910.18x = 13,369.92 × 6,465.18
  4. Step 4: Simplify right side
    8,910.18x = 86,438,939.39
  5. Step 5: Solve for x
    x = 86,438,939.39/8,910.18
  6. Step 6: Final answer
    x = 9,701.14

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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.