Home / 11,017.08-16,531.68-4,777.15

Finding the Fourth Proportional to 11,017.08, 16,531.68 and 4,777.15

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Solution

The fourth proportional to 11,017.08, 16,531.68 and 4,777.15 is: 7,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.08 : 16,531.68 = 4,777.15 : x
  2. Step 2: Convert to fraction form
    11,017.08/16,531.68 = 4,777.15/x
  3. Step 3: Cross multiply
    11,017.08x = 16,531.68 × 4,777.15
  4. Step 4: Simplify right side
    11,017.08x = 78,974,232.45
  5. Step 5: Solve for x
    x = 78,974,232.45/11,017.08
  6. Step 6: Final answer
    x = 7,168.35

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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.