Home / 7,988.02-11,924.62-6,342.30

Finding the Fourth Proportional to 7,988.02, 11,924.62 and 6,342.30

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Solution

The fourth proportional to 7,988.02, 11,924.62 and 6,342.30 is: 9,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.02 : 11,924.62 = 6,342.30 : x
  2. Step 2: Convert to fraction form
    7,988.02/11,924.62 = 6,342.30/x
  3. Step 3: Cross multiply
    7,988.02x = 11,924.62 × 6,342.30
  4. Step 4: Simplify right side
    7,988.02x = 75,629,501.57
  5. Step 5: Solve for x
    x = 75,629,501.57/7,988.02
  6. Step 6: Final answer
    x = 9,467.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.