Home / 10,948.95-16,419.78-3,551.63

Finding the Fourth Proportional to 10,948.95, 16,419.78 and 3,551.63

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Solution

The fourth proportional to 10,948.95, 16,419.78 and 3,551.63 is: 5,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.95 : 16,419.78 = 3,551.63 : x
  2. Step 2: Convert to fraction form
    10,948.95/16,419.78 = 3,551.63/x
  3. Step 3: Cross multiply
    10,948.95x = 16,419.78 × 3,551.63
  4. Step 4: Simplify right side
    10,948.95x = 58,316,901.14
  5. Step 5: Solve for x
    x = 58,316,901.14/10,948.95
  6. Step 6: Final answer
    x = 5,326.26

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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.