Home / 12,600.09-17,387.71-6,934.32

Finding the Fourth Proportional to 12,600.09, 17,387.71 and 6,934.32

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Solution

The fourth proportional to 12,600.09, 17,387.71 and 6,934.32 is: 9,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.09 : 17,387.71 = 6,934.32 : x
  2. Step 2: Convert to fraction form
    12,600.09/17,387.71 = 6,934.32/x
  3. Step 3: Cross multiply
    12,600.09x = 17,387.71 × 6,934.32
  4. Step 4: Simplify right side
    12,600.09x = 120,571,927.87
  5. Step 5: Solve for x
    x = 120,571,927.87/12,600.09
  6. Step 6: Final answer
    x = 9,569.13

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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.