Home / 15,863.96-21,886.47-9,490.73

Finding the Fourth Proportional to 15,863.96, 21,886.47 and 9,490.73

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Solution

The fourth proportional to 15,863.96, 21,886.47 and 9,490.73 is: 13,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.96 : 21,886.47 = 9,490.73 : x
  2. Step 2: Convert to fraction form
    15,863.96/21,886.47 = 9,490.73/x
  3. Step 3: Cross multiply
    15,863.96x = 21,886.47 × 9,490.73
  4. Step 4: Simplify right side
    15,863.96x = 207,718,529.97
  5. Step 5: Solve for x
    x = 207,718,529.97/15,863.96
  6. Step 6: Final answer
    x = 13,093.74

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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.