Home / 23,170.02-34,749.70-13,812.68

Finding the Fourth Proportional to 23,170.02, 34,749.70 and 13,812.68

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Solution

The fourth proportional to 23,170.02, 34,749.70 and 13,812.68 is: 20,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.02 : 34,749.70 = 13,812.68 : x
  2. Step 2: Convert to fraction form
    23,170.02/34,749.70 = 13,812.68/x
  3. Step 3: Cross multiply
    23,170.02x = 34,749.70 × 13,812.68
  4. Step 4: Simplify right side
    23,170.02x = 479,986,277.92
  5. Step 5: Solve for x
    x = 479,986,277.92/23,170.02
  6. Step 6: Final answer
    x = 20,715.83

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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.