Home / 23,271.12-34,906.56-9,420

Finding the Fourth Proportional to 23,271.12, 34,906.56 and 9,420

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Solution

The fourth proportional to 23,271.12, 34,906.56 and 9,420 is: 14,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.12 : 34,906.56 = 9,420 : x
  2. Step 2: Convert to fraction form
    23,271.12/34,906.56 = 9,420/x
  3. Step 3: Cross multiply
    23,271.12x = 34,906.56 × 9,420
  4. Step 4: Simplify right side
    23,271.12x = 328,819,795.20
  5. Step 5: Solve for x
    x = 328,819,795.20/23,271.12
  6. Step 6: Final answer
    x = 14,129.95

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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.