Home / 11,330.78-15,634.71-6,294.51

Finding the Fourth Proportional to 11,330.78, 15,634.71 and 6,294.51

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Solution

The fourth proportional to 11,330.78, 15,634.71 and 6,294.51 is: 8,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.78 : 15,634.71 = 6,294.51 : x
  2. Step 2: Convert to fraction form
    11,330.78/15,634.71 = 6,294.51/x
  3. Step 3: Cross multiply
    11,330.78x = 15,634.71 × 6,294.51
  4. Step 4: Simplify right side
    11,330.78x = 98,412,838.44
  5. Step 5: Solve for x
    x = 98,412,838.44/11,330.78
  6. Step 6: Final answer
    x = 8,685.45

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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.