Home / 23,218.77-34,812.67-8,425.76

Finding the Fourth Proportional to 23,218.77, 34,812.67 and 8,425.76

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Solution

The fourth proportional to 23,218.77, 34,812.67 and 8,425.76 is: 12,633.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,218.77 : 34,812.67 = 8,425.76 : x
  2. Step 2: Convert to fraction form
    23,218.77/34,812.67 = 8,425.76/x
  3. Step 3: Cross multiply
    23,218.77x = 34,812.67 × 8,425.76
  4. Step 4: Simplify right side
    23,218.77x = 293,323,094.28
  5. Step 5: Solve for x
    x = 293,323,094.28/23,218.77
  6. Step 6: Final answer
    x = 12,633.02

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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.