Home / 23,425.30-35,140.20-12,325.06

Finding the Fourth Proportional to 23,425.30, 35,140.20 and 12,325.06

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Solution

The fourth proportional to 23,425.30, 35,140.20 and 12,325.06 is: 18,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425.30 : 35,140.20 = 12,325.06 : x
  2. Step 2: Convert to fraction form
    23,425.30/35,140.20 = 12,325.06/x
  3. Step 3: Cross multiply
    23,425.30x = 35,140.20 × 12,325.06
  4. Step 4: Simplify right side
    23,425.30x = 433,105,073.41
  5. Step 5: Solve for x
    x = 433,105,073.41/23,425.30
  6. Step 6: Final answer
    x = 18,488.77

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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.