Home / 8,739.68-13,098.57-6,883.46

Finding the Fourth Proportional to 8,739.68, 13,098.57 and 6,883.46

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Solution

The fourth proportional to 8,739.68, 13,098.57 and 6,883.46 is: 10,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.68 : 13,098.57 = 6,883.46 : x
  2. Step 2: Convert to fraction form
    8,739.68/13,098.57 = 6,883.46/x
  3. Step 3: Cross multiply
    8,739.68x = 13,098.57 × 6,883.46
  4. Step 4: Simplify right side
    8,739.68x = 90,163,482.65
  5. Step 5: Solve for x
    x = 90,163,482.65/8,739.68
  6. Step 6: Final answer
    x = 10,316.57

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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.