Home / 14,711.75-20,305.16-8,742.26

Finding the Fourth Proportional to 14,711.75, 20,305.16 and 8,742.26

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Solution

The fourth proportional to 14,711.75, 20,305.16 and 8,742.26 is: 12,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.75 : 20,305.16 = 8,742.26 : x
  2. Step 2: Convert to fraction form
    14,711.75/20,305.16 = 8,742.26/x
  3. Step 3: Cross multiply
    14,711.75x = 20,305.16 × 8,742.26
  4. Step 4: Simplify right side
    14,711.75x = 177,513,027.90
  5. Step 5: Solve for x
    x = 177,513,027.90/14,711.75
  6. Step 6: Final answer
    x = 12,066.07

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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.