Home / 12,959.34-19,439.28-4,195.14

Finding the Fourth Proportional to 12,959.34, 19,439.28 and 4,195.14

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Solution

The fourth proportional to 12,959.34, 19,439.28 and 4,195.14 is: 6,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959.34 : 19,439.28 = 4,195.14 : x
  2. Step 2: Convert to fraction form
    12,959.34/19,439.28 = 4,195.14/x
  3. Step 3: Cross multiply
    12,959.34x = 19,439.28 × 4,195.14
  4. Step 4: Simplify right side
    12,959.34x = 81,550,501.10
  5. Step 5: Solve for x
    x = 81,550,501.10/12,959.34
  6. Step 6: Final answer
    x = 6,292.80

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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.