Home / 23,170.16-34,749.88-13,812.80

Finding the Fourth Proportional to 23,170.16, 34,749.88 and 13,812.80

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Solution

The fourth proportional to 23,170.16, 34,749.88 and 13,812.80 is: 20,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.16 : 34,749.88 = 13,812.80 : x
  2. Step 2: Convert to fraction form
    23,170.16/34,749.88 = 13,812.80/x
  3. Step 3: Cross multiply
    23,170.16x = 34,749.88 × 13,812.80
  4. Step 4: Simplify right side
    23,170.16x = 479,993,142.46
  5. Step 5: Solve for x
    x = 479,993,142.46/23,170.16
  6. Step 6: Final answer
    x = 20,716.00

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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.