Home / 15,601.35-21,529.38-8,887.92

Finding the Fourth Proportional to 15,601.35, 21,529.38 and 8,887.92

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Solution

The fourth proportional to 15,601.35, 21,529.38 and 8,887.92 is: 12,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.35 : 21,529.38 = 8,887.92 : x
  2. Step 2: Convert to fraction form
    15,601.35/21,529.38 = 8,887.92/x
  3. Step 3: Cross multiply
    15,601.35x = 21,529.38 × 8,887.92
  4. Step 4: Simplify right side
    15,601.35x = 191,351,407.09
  5. Step 5: Solve for x
    x = 191,351,407.09/15,601.35
  6. Step 6: Final answer
    x = 12,265.05

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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.