Home / 10,948.12-16,417.30-3,155.08

Finding the Fourth Proportional to 10,948.12, 16,417.30 and 3,155.08

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Solution

The fourth proportional to 10,948.12, 16,417.30 and 3,155.08 is: 4,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.12 : 16,417.30 = 3,155.08 : x
  2. Step 2: Convert to fraction form
    10,948.12/16,417.30 = 3,155.08/x
  3. Step 3: Cross multiply
    10,948.12x = 16,417.30 × 3,155.08
  4. Step 4: Simplify right side
    10,948.12x = 51,797,894.88
  5. Step 5: Solve for x
    x = 51,797,894.88/10,948.12
  6. Step 6: Final answer
    x = 4,731.21

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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.