Home / 12,140.10-16,754.31-6,834.60

Finding the Fourth Proportional to 12,140.10, 16,754.31 and 6,834.60

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Solution

The fourth proportional to 12,140.10, 16,754.31 and 6,834.60 is: 9,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.10 : 16,754.31 = 6,834.60 : x
  2. Step 2: Convert to fraction form
    12,140.10/16,754.31 = 6,834.60/x
  3. Step 3: Cross multiply
    12,140.10x = 16,754.31 × 6,834.60
  4. Step 4: Simplify right side
    12,140.10x = 114,509,007.13
  5. Step 5: Solve for x
    x = 114,509,007.13/12,140.10
  6. Step 6: Final answer
    x = 9,432.30

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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.