Home / 17,909.28-26,863.65-6,813.90

Finding the Fourth Proportional to 17,909.28, 26,863.65 and 6,813.90

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Solution

The fourth proportional to 17,909.28, 26,863.65 and 6,813.90 is: 10,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.28 : 26,863.65 = 6,813.90 : x
  2. Step 2: Convert to fraction form
    17,909.28/26,863.65 = 6,813.90/x
  3. Step 3: Cross multiply
    17,909.28x = 26,863.65 × 6,813.90
  4. Step 4: Simplify right side
    17,909.28x = 183,046,224.74
  5. Step 5: Solve for x
    x = 183,046,224.74/17,909.28
  6. Step 6: Final answer
    x = 10,220.75

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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.