Home / 15,733.63-21,712.26-8,659.99

Finding the Fourth Proportional to 15,733.63, 21,712.26 and 8,659.99

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Solution

The fourth proportional to 15,733.63, 21,712.26 and 8,659.99 is: 11,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.63 : 21,712.26 = 8,659.99 : x
  2. Step 2: Convert to fraction form
    15,733.63/21,712.26 = 8,659.99/x
  3. Step 3: Cross multiply
    15,733.63x = 21,712.26 × 8,659.99
  4. Step 4: Simplify right side
    15,733.63x = 188,027,954.48
  5. Step 5: Solve for x
    x = 188,027,954.48/15,733.63
  6. Step 6: Final answer
    x = 11,950.70

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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.