Home / 12,257.04-18,384.60-3,937.36

Finding the Fourth Proportional to 12,257.04, 18,384.60 and 3,937.36

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Solution

The fourth proportional to 12,257.04, 18,384.60 and 3,937.36 is: 5,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.04 : 18,384.60 = 3,937.36 : x
  2. Step 2: Convert to fraction form
    12,257.04/18,384.60 = 3,937.36/x
  3. Step 3: Cross multiply
    12,257.04x = 18,384.60 × 3,937.36
  4. Step 4: Simplify right side
    12,257.04x = 72,386,788.66
  5. Step 5: Solve for x
    x = 72,386,788.66/12,257.04
  6. Step 6: Final answer
    x = 5,905.73

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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.