Home / 10,938.78-16,408.17-4,364.82

Finding the Fourth Proportional to 10,938.78, 16,408.17 and 4,364.82

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Solution

The fourth proportional to 10,938.78, 16,408.17 and 4,364.82 is: 6,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.78 : 16,408.17 = 4,364.82 : x
  2. Step 2: Convert to fraction form
    10,938.78/16,408.17 = 4,364.82/x
  3. Step 3: Cross multiply
    10,938.78x = 16,408.17 × 4,364.82
  4. Step 4: Simplify right side
    10,938.78x = 71,618,708.58
  5. Step 5: Solve for x
    x = 71,618,708.58/10,938.78
  6. Step 6: Final answer
    x = 6,547.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.