Home / 19,889.25-27,440.33-12,332.86

Finding the Fourth Proportional to 19,889.25, 27,440.33 and 12,332.86

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Solution

The fourth proportional to 19,889.25, 27,440.33 and 12,332.86 is: 17,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.25 : 27,440.33 = 12,332.86 : x
  2. Step 2: Convert to fraction form
    19,889.25/27,440.33 = 12,332.86/x
  3. Step 3: Cross multiply
    19,889.25x = 27,440.33 × 12,332.86
  4. Step 4: Simplify right side
    19,889.25x = 338,417,664.23
  5. Step 5: Solve for x
    x = 338,417,664.23/19,889.25
  6. Step 6: Final answer
    x = 17,015.11

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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.