Home / 9,210.24-12,716.10-6,343.80

Finding the Fourth Proportional to 9,210.24, 12,716.10 and 6,343.80

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Solution

The fourth proportional to 9,210.24, 12,716.10 and 6,343.80 is: 8,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.24 : 12,716.10 = 6,343.80 : x
  2. Step 2: Convert to fraction form
    9,210.24/12,716.10 = 6,343.80/x
  3. Step 3: Cross multiply
    9,210.24x = 12,716.10 × 6,343.80
  4. Step 4: Simplify right side
    9,210.24x = 80,668,395.18
  5. Step 5: Solve for x
    x = 80,668,395.18/9,210.24
  6. Step 6: Final answer
    x = 8,758.56

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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.