Home / 12,495.80-17,244.60-6,830.42

Finding the Fourth Proportional to 12,495.80, 17,244.60 and 6,830.42

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Solution

The fourth proportional to 12,495.80, 17,244.60 and 6,830.42 is: 9,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.80 : 17,244.60 = 6,830.42 : x
  2. Step 2: Convert to fraction form
    12,495.80/17,244.60 = 6,830.42/x
  3. Step 3: Cross multiply
    12,495.80x = 17,244.60 × 6,830.42
  4. Step 4: Simplify right side
    12,495.80x = 117,787,826.58
  5. Step 5: Solve for x
    x = 117,787,826.58/12,495.80
  6. Step 6: Final answer
    x = 9,426.20

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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.