Home / 15,441.23-21,309.63-8,727.14

Finding the Fourth Proportional to 15,441.23, 21,309.63 and 8,727.14

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Solution

The fourth proportional to 15,441.23, 21,309.63 and 8,727.14 is: 12,043.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.23 : 21,309.63 = 8,727.14 : x
  2. Step 2: Convert to fraction form
    15,441.23/21,309.63 = 8,727.14/x
  3. Step 3: Cross multiply
    15,441.23x = 21,309.63 × 8,727.14
  4. Step 4: Simplify right side
    15,441.23x = 185,972,124.36
  5. Step 5: Solve for x
    x = 185,972,124.36/15,441.23
  6. Step 6: Final answer
    x = 12,043.87

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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.