Home / 12,327.39-17,020.94-9,670.19

Finding the Fourth Proportional to 12,327.39, 17,020.94 and 9,670.19

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Solution

The fourth proportional to 12,327.39, 17,020.94 and 9,670.19 is: 13,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.39 : 17,020.94 = 9,670.19 : x
  2. Step 2: Convert to fraction form
    12,327.39/17,020.94 = 9,670.19/x
  3. Step 3: Cross multiply
    12,327.39x = 17,020.94 × 9,670.19
  4. Step 4: Simplify right side
    12,327.39x = 164,595,590.32
  5. Step 5: Solve for x
    x = 164,595,590.32/12,327.39
  6. Step 6: Final answer
    x = 13,352.02

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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.