Home / 11,806.13-16,292.07-6,500.81

Finding the Fourth Proportional to 11,806.13, 16,292.07 and 6,500.81

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Solution

The fourth proportional to 11,806.13, 16,292.07 and 6,500.81 is: 8,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.13 : 16,292.07 = 6,500.81 : x
  2. Step 2: Convert to fraction form
    11,806.13/16,292.07 = 6,500.81/x
  3. Step 3: Cross multiply
    11,806.13x = 16,292.07 × 6,500.81
  4. Step 4: Simplify right side
    11,806.13x = 105,911,570.12
  5. Step 5: Solve for x
    x = 105,911,570.12/11,806.13
  6. Step 6: Final answer
    x = 8,970.90

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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.