Home / 11,017.08-15,196.14-7,660.44

Finding the Fourth Proportional to 11,017.08, 15,196.14 and 7,660.44

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Solution

The fourth proportional to 11,017.08, 15,196.14 and 7,660.44 is: 10,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.08 : 15,196.14 = 7,660.44 : x
  2. Step 2: Convert to fraction form
    11,017.08/15,196.14 = 7,660.44/x
  3. Step 3: Cross multiply
    11,017.08x = 15,196.14 × 7,660.44
  4. Step 4: Simplify right side
    11,017.08x = 116,409,118.70
  5. Step 5: Solve for x
    x = 116,409,118.70/11,017.08
  6. Step 6: Final answer
    x = 10,566.24

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1.5x scale

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.