Home / 12,495.56-17,244.32-6,830.69

Finding the Fourth Proportional to 12,495.56, 17,244.32 and 6,830.69

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Solution

The fourth proportional to 12,495.56, 17,244.32 and 6,830.69 is: 9,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.56 : 17,244.32 = 6,830.69 : x
  2. Step 2: Convert to fraction form
    12,495.56/17,244.32 = 6,830.69/x
  3. Step 3: Cross multiply
    12,495.56x = 17,244.32 × 6,830.69
  4. Step 4: Simplify right side
    12,495.56x = 117,790,535.04
  5. Step 5: Solve for x
    x = 117,790,535.04/12,495.56
  6. Step 6: Final answer
    x = 9,426.59

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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.