Home / 19,419.77-26,791.71-10,919.93

Finding the Fourth Proportional to 19,419.77, 26,791.71 and 10,919.93

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Solution

The fourth proportional to 19,419.77, 26,791.71 and 10,919.93 is: 15,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.77 : 26,791.71 = 10,919.93 : x
  2. Step 2: Convert to fraction form
    19,419.77/26,791.71 = 10,919.93/x
  3. Step 3: Cross multiply
    19,419.77x = 26,791.71 × 10,919.93
  4. Step 4: Simplify right side
    19,419.77x = 292,563,463.82
  5. Step 5: Solve for x
    x = 292,563,463.82/19,419.77
  6. Step 6: Final answer
    x = 15,065.24

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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.