Home / 12,137.46-16,699.61-9,480.26

Finding the Fourth Proportional to 12,137.46, 16,699.61 and 9,480.26

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Solution

The fourth proportional to 12,137.46, 16,699.61 and 9,480.26 is: 13,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.46 : 16,699.61 = 9,480.26 : x
  2. Step 2: Convert to fraction form
    12,137.46/16,699.61 = 9,480.26/x
  3. Step 3: Cross multiply
    12,137.46x = 16,699.61 × 9,480.26
  4. Step 4: Simplify right side
    12,137.46x = 158,316,513.80
  5. Step 5: Solve for x
    x = 158,316,513.80/12,137.46
  6. Step 6: Final answer
    x = 13,043.63

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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.