Home / 19,365.82-26,731.32-12,569.11

Finding the Fourth Proportional to 19,365.82, 26,731.32 and 12,569.11

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Solution

The fourth proportional to 19,365.82, 26,731.32 and 12,569.11 is: 17,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.82 : 26,731.32 = 12,569.11 : x
  2. Step 2: Convert to fraction form
    19,365.82/26,731.32 = 12,569.11/x
  3. Step 3: Cross multiply
    19,365.82x = 26,731.32 × 12,569.11
  4. Step 4: Simplify right side
    19,365.82x = 335,988,787.56
  5. Step 5: Solve for x
    x = 335,988,787.56/19,365.82
  6. Step 6: Final answer
    x = 17,349.58

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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.