Home / 11,013.92-16,521.28-3,618.08

Finding the Fourth Proportional to 11,013.92, 16,521.28 and 3,618.08

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Solution

The fourth proportional to 11,013.92, 16,521.28 and 3,618.08 is: 5,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.92 : 16,521.28 = 3,618.08 : x
  2. Step 2: Convert to fraction form
    11,013.92/16,521.28 = 3,618.08/x
  3. Step 3: Cross multiply
    11,013.92x = 16,521.28 × 3,618.08
  4. Step 4: Simplify right side
    11,013.92x = 59,775,312.74
  5. Step 5: Solve for x
    x = 59,775,312.74/11,013.92
  6. Step 6: Final answer
    x = 5,427.25

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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.