Home / 23,143.93-34,771.28-14,840.21

Finding the Fourth Proportional to 23,143.93, 34,771.28 and 14,840.21

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Solution

The fourth proportional to 23,143.93, 34,771.28 and 14,840.21 is: 22,295.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.93 : 34,771.28 = 14,840.21 : x
  2. Step 2: Convert to fraction form
    23,143.93/34,771.28 = 14,840.21/x
  3. Step 3: Cross multiply
    23,143.93x = 34,771.28 × 14,840.21
  4. Step 4: Simplify right side
    23,143.93x = 516,013,109.90
  5. Step 5: Solve for x
    x = 516,013,109.90/23,143.93
  6. Step 6: Final answer
    x = 22,295.83

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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.