Home / 16,909.70-25,364.75-10,247.72

Finding the Fourth Proportional to 16,909.70, 25,364.75 and 10,247.72

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Solution

The fourth proportional to 16,909.70, 25,364.75 and 10,247.72 is: 15,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.70 : 25,364.75 = 10,247.72 : x
  2. Step 2: Convert to fraction form
    16,909.70/25,364.75 = 10,247.72/x
  3. Step 3: Cross multiply
    16,909.70x = 25,364.75 × 10,247.72
  4. Step 4: Simplify right side
    16,909.70x = 259,930,677.81
  5. Step 5: Solve for x
    x = 259,930,677.81/16,909.70
  6. Step 6: Final answer
    x = 15,371.70

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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.