Home / 12,237.17-18,356.96-3,915.09

Finding the Fourth Proportional to 12,237.17, 18,356.96 and 3,915.09

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Solution

The fourth proportional to 12,237.17, 18,356.96 and 3,915.09 is: 5,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.17 : 18,356.96 = 3,915.09 : x
  2. Step 2: Convert to fraction form
    12,237.17/18,356.96 = 3,915.09/x
  3. Step 3: Cross multiply
    12,237.17x = 18,356.96 × 3,915.09
  4. Step 4: Simplify right side
    12,237.17x = 71,869,130.95
  5. Step 5: Solve for x
    x = 71,869,130.95/12,237.17
  6. Step 6: Final answer
    x = 5,873.02

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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.