Home / 15,601.29-21,529.77-8,527.71

Finding the Fourth Proportional to 15,601.29, 21,529.77 and 8,527.71

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Solution

The fourth proportional to 15,601.29, 21,529.77 and 8,527.71 is: 11,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.29 : 21,529.77 = 8,527.71 : x
  2. Step 2: Convert to fraction form
    15,601.29/21,529.77 = 8,527.71/x
  3. Step 3: Cross multiply
    15,601.29x = 21,529.77 × 8,527.71
  4. Step 4: Simplify right side
    15,601.29x = 183,599,634.93
  5. Step 5: Solve for x
    x = 183,599,634.93/15,601.29
  6. Step 6: Final answer
    x = 11,768.23

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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.