Home / 12,995.32-19,491.90-5,204.56

Finding the Fourth Proportional to 12,995.32, 19,491.90 and 5,204.56

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Solution

The fourth proportional to 12,995.32, 19,491.90 and 5,204.56 is: 7,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.32 : 19,491.90 = 5,204.56 : x
  2. Step 2: Convert to fraction form
    12,995.32/19,491.90 = 5,204.56/x
  3. Step 3: Cross multiply
    12,995.32x = 19,491.90 × 5,204.56
  4. Step 4: Simplify right side
    12,995.32x = 101,446,763.06
  5. Step 5: Solve for x
    x = 101,446,763.06/12,995.32
  6. Step 6: Final answer
    x = 7,806.41

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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.