Home / 11,090.81-15,307.92-7,314.66

Finding the Fourth Proportional to 11,090.81, 15,307.92 and 7,314.66

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Solution

The fourth proportional to 11,090.81, 15,307.92 and 7,314.66 is: 10,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.81 : 15,307.92 = 7,314.66 : x
  2. Step 2: Convert to fraction form
    11,090.81/15,307.92 = 7,314.66/x
  3. Step 3: Cross multiply
    11,090.81x = 15,307.92 × 7,314.66
  4. Step 4: Simplify right side
    11,090.81x = 111,972,230.11
  5. Step 5: Solve for x
    x = 111,972,230.11/11,090.81
  6. Step 6: Final answer
    x = 10,095.94

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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.