Home / 10,685.10-14,745.51-6,208.95

Finding the Fourth Proportional to 10,685.10, 14,745.51 and 6,208.95

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Solution

The fourth proportional to 10,685.10, 14,745.51 and 6,208.95 is: 8,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.10 : 14,745.51 = 6,208.95 : x
  2. Step 2: Convert to fraction form
    10,685.10/14,745.51 = 6,208.95/x
  3. Step 3: Cross multiply
    10,685.10x = 14,745.51 × 6,208.95
  4. Step 4: Simplify right side
    10,685.10x = 91,554,134.31
  5. Step 5: Solve for x
    x = 91,554,134.31/10,685.10
  6. Step 6: Final answer
    x = 8,568.39

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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.