Home / 9,290.66-13,999.92-7,683.35

Finding the Fourth Proportional to 9,290.66, 13,999.92 and 7,683.35

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Solution

The fourth proportional to 9,290.66, 13,999.92 and 7,683.35 is: 11,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.66 : 13,999.92 = 7,683.35 : x
  2. Step 2: Convert to fraction form
    9,290.66/13,999.92 = 7,683.35/x
  3. Step 3: Cross multiply
    9,290.66x = 13,999.92 × 7,683.35
  4. Step 4: Simplify right side
    9,290.66x = 107,566,246.92
  5. Step 5: Solve for x
    x = 107,566,246.92/9,290.66
  6. Step 6: Final answer
    x = 11,577.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.