Home / 19,400.31-26,774.64-10,902.42

Finding the Fourth Proportional to 19,400.31, 26,774.64 and 10,902.42

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Solution

The fourth proportional to 19,400.31, 26,774.64 and 10,902.42 is: 15,046.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.31 : 26,774.64 = 10,902.42 : x
  2. Step 2: Convert to fraction form
    19,400.31/26,774.64 = 10,902.42/x
  3. Step 3: Cross multiply
    19,400.31x = 26,774.64 × 10,902.42
  4. Step 4: Simplify right side
    19,400.31x = 291,908,370.63
  5. Step 5: Solve for x
    x = 291,908,370.63/19,400.31
  6. Step 6: Final answer
    x = 15,046.58

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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.