Home / 15,733.57-21,712.35-8,660.02

Finding the Fourth Proportional to 15,733.57, 21,712.35 and 8,660.02

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Solution

The fourth proportional to 15,733.57, 21,712.35 and 8,660.02 is: 11,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.57 : 21,712.35 = 8,660.02 : x
  2. Step 2: Convert to fraction form
    15,733.57/21,712.35 = 8,660.02/x
  3. Step 3: Cross multiply
    15,733.57x = 21,712.35 × 8,660.02
  4. Step 4: Simplify right side
    15,733.57x = 188,029,385.25
  5. Step 5: Solve for x
    x = 188,029,385.25/15,733.57
  6. Step 6: Final answer
    x = 11,950.84

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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.