Home / 19,727.19-27,222.74-11,113.17

Finding the Fourth Proportional to 19,727.19, 27,222.74 and 11,113.17

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Solution

The fourth proportional to 19,727.19, 27,222.74 and 11,113.17 is: 15,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,727.19 : 27,222.74 = 11,113.17 : x
  2. Step 2: Convert to fraction form
    19,727.19/27,222.74 = 11,113.17/x
  3. Step 3: Cross multiply
    19,727.19x = 27,222.74 × 11,113.17
  4. Step 4: Simplify right side
    19,727.19x = 302,530,881.92
  5. Step 5: Solve for x
    x = 302,530,881.92/19,727.19
  6. Step 6: Final answer
    x = 15,335.73

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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.