Home / 10,860.56-14,974.44-9,179

Finding the Fourth Proportional to 10,860.56, 14,974.44 and 9,179

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Solution

The fourth proportional to 10,860.56, 14,974.44 and 9,179 is: 12,655.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.56 : 14,974.44 = 9,179 : x
  2. Step 2: Convert to fraction form
    10,860.56/14,974.44 = 9,179/x
  3. Step 3: Cross multiply
    10,860.56x = 14,974.44 × 9,179
  4. Step 4: Simplify right side
    10,860.56x = 137,450,384.76
  5. Step 5: Solve for x
    x = 137,450,384.76/10,860.56
  6. Step 6: Final answer
    x = 12,655.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.