Home / 12,579.42-18,851.25-9,266.46

Finding the Fourth Proportional to 12,579.42, 18,851.25 and 9,266.46

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Solution

The fourth proportional to 12,579.42, 18,851.25 and 9,266.46 is: 13,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.42 : 18,851.25 = 9,266.46 : x
  2. Step 2: Convert to fraction form
    12,579.42/18,851.25 = 9,266.46/x
  3. Step 3: Cross multiply
    12,579.42x = 18,851.25 × 9,266.46
  4. Step 4: Simplify right side
    12,579.42x = 174,684,354.08
  5. Step 5: Solve for x
    x = 174,684,354.08/12,579.42
  6. Step 6: Final answer
    x = 13,886.52

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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.