Home / 12,984.20-19,476.25-5,959.56

Finding the Fourth Proportional to 12,984.20, 19,476.25 and 5,959.56

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Solution

The fourth proportional to 12,984.20, 19,476.25 and 5,959.56 is: 8,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.20 : 19,476.25 = 5,959.56 : x
  2. Step 2: Convert to fraction form
    12,984.20/19,476.25 = 5,959.56/x
  3. Step 3: Cross multiply
    12,984.20x = 19,476.25 × 5,959.56
  4. Step 4: Simplify right side
    12,984.20x = 116,069,880.45
  5. Step 5: Solve for x
    x = 116,069,880.45/12,984.20
  6. Step 6: Final answer
    x = 8,939.32

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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.