Home / 16,909.92-25,364.88-13,206.60

Finding the Fourth Proportional to 16,909.92, 25,364.88 and 13,206.60

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Solution

The fourth proportional to 16,909.92, 25,364.88 and 13,206.60 is: 19,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.92 : 25,364.88 = 13,206.60 : x
  2. Step 2: Convert to fraction form
    16,909.92/25,364.88 = 13,206.60/x
  3. Step 3: Cross multiply
    16,909.92x = 25,364.88 × 13,206.60
  4. Step 4: Simplify right side
    16,909.92x = 334,983,824.21
  5. Step 5: Solve for x
    x = 334,983,824.21/16,909.92
  6. Step 6: Final answer
    x = 19,809.90

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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.