Home / 15,366.35-21,205.57-8,652.02

Finding the Fourth Proportional to 15,366.35, 21,205.57 and 8,652.02

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Solution

The fourth proportional to 15,366.35, 21,205.57 and 8,652.02 is: 11,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.35 : 21,205.57 = 8,652.02 : x
  2. Step 2: Convert to fraction form
    15,366.35/21,205.57 = 8,652.02/x
  3. Step 3: Cross multiply
    15,366.35x = 21,205.57 × 8,652.02
  4. Step 4: Simplify right side
    15,366.35x = 183,471,015.75
  5. Step 5: Solve for x
    x = 183,471,015.75/15,366.35
  6. Step 6: Final answer
    x = 11,939.79

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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.