Home / 11,448.30-17,165.51-5,521.53

Finding the Fourth Proportional to 11,448.30, 17,165.51 and 5,521.53

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Solution

The fourth proportional to 11,448.30, 17,165.51 and 5,521.53 is: 8,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.30 : 17,165.51 = 5,521.53 : x
  2. Step 2: Convert to fraction form
    11,448.30/17,165.51 = 5,521.53/x
  3. Step 3: Cross multiply
    11,448.30x = 17,165.51 × 5,521.53
  4. Step 4: Simplify right side
    11,448.30x = 94,779,850.82
  5. Step 5: Solve for x
    x = 94,779,850.82/11,448.30
  6. Step 6: Final answer
    x = 8,278.95

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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.