Home / 13,496.61-18,617.09-8,959.52

Finding the Fourth Proportional to 13,496.61, 18,617.09 and 8,959.52

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Solution

The fourth proportional to 13,496.61, 18,617.09 and 8,959.52 is: 12,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.61 : 18,617.09 = 8,959.52 : x
  2. Step 2: Convert to fraction form
    13,496.61/18,617.09 = 8,959.52/x
  3. Step 3: Cross multiply
    13,496.61x = 18,617.09 × 8,959.52
  4. Step 4: Simplify right side
    13,496.61x = 166,800,296.87
  5. Step 5: Solve for x
    x = 166,800,296.87/13,496.61
  6. Step 6: Final answer
    x = 12,358.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.