Home / 12,599.32-18,882.54-5,195.32

Finding the Fourth Proportional to 12,599.32, 18,882.54 and 5,195.32

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Solution

The fourth proportional to 12,599.32, 18,882.54 and 5,195.32 is: 7,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.32 : 18,882.54 = 5,195.32 : x
  2. Step 2: Convert to fraction form
    12,599.32/18,882.54 = 5,195.32/x
  3. Step 3: Cross multiply
    12,599.32x = 18,882.54 × 5,195.32
  4. Step 4: Simplify right side
    12,599.32x = 98,100,837.71
  5. Step 5: Solve for x
    x = 98,100,837.71/12,599.32
  6. Step 6: Final answer
    x = 7,786.20

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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.