Home / 19,397.58-26,767.47-11,440.14

Finding the Fourth Proportional to 19,397.58, 26,767.47 and 11,440.14

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Solution

The fourth proportional to 19,397.58, 26,767.47 and 11,440.14 is: 15,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.58 : 26,767.47 = 11,440.14 : x
  2. Step 2: Convert to fraction form
    19,397.58/26,767.47 = 11,440.14/x
  3. Step 3: Cross multiply
    19,397.58x = 26,767.47 × 11,440.14
  4. Step 4: Simplify right side
    19,397.58x = 306,223,604.25
  5. Step 5: Solve for x
    x = 306,223,604.25/19,397.58
  6. Step 6: Final answer
    x = 15,786.69

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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.