Home / 16,865.80-25,298.70-11,835.70

Finding the Fourth Proportional to 16,865.80, 25,298.70 and 11,835.70

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Solution

The fourth proportional to 16,865.80, 25,298.70 and 11,835.70 is: 17,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.80 : 25,298.70 = 11,835.70 : x
  2. Step 2: Convert to fraction form
    16,865.80/25,298.70 = 11,835.70/x
  3. Step 3: Cross multiply
    16,865.80x = 25,298.70 × 11,835.70
  4. Step 4: Simplify right side
    16,865.80x = 299,427,823.59
  5. Step 5: Solve for x
    x = 299,427,823.59/16,865.80
  6. Step 6: Final answer
    x = 17,753.55

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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.