Home / 16,959.70-25,439.43-5,272.90

Finding the Fourth Proportional to 16,959.70, 25,439.43 and 5,272.90

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Solution

The fourth proportional to 16,959.70, 25,439.43 and 5,272.90 is: 7,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.70 : 25,439.43 = 5,272.90 : x
  2. Step 2: Convert to fraction form
    16,959.70/25,439.43 = 5,272.90/x
  3. Step 3: Cross multiply
    16,959.70x = 25,439.43 × 5,272.90
  4. Step 4: Simplify right side
    16,959.70x = 134,139,570.45
  5. Step 5: Solve for x
    x = 134,139,570.45/16,959.70
  6. Step 6: Final answer
    x = 7,909.31

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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.