Home / 15,277.34-21,082.44-8,563.05

Finding the Fourth Proportional to 15,277.34, 21,082.44 and 8,563.05

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Solution

The fourth proportional to 15,277.34, 21,082.44 and 8,563.05 is: 11,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.34 : 21,082.44 = 8,563.05 : x
  2. Step 2: Convert to fraction form
    15,277.34/21,082.44 = 8,563.05/x
  3. Step 3: Cross multiply
    15,277.34x = 21,082.44 × 8,563.05
  4. Step 4: Simplify right side
    15,277.34x = 180,530,019.95
  5. Step 5: Solve for x
    x = 180,530,019.95/15,277.34
  6. Step 6: Final answer
    x = 11,816.85

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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.