Home / 11,077.65-15,277.20-7,299.45

Finding the Fourth Proportional to 11,077.65, 15,277.20 and 7,299.45

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Solution

The fourth proportional to 11,077.65, 15,277.20 and 7,299.45 is: 10,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.65 : 15,277.20 = 7,299.45 : x
  2. Step 2: Convert to fraction form
    11,077.65/15,277.20 = 7,299.45/x
  3. Step 3: Cross multiply
    11,077.65x = 15,277.20 × 7,299.45
  4. Step 4: Simplify right side
    11,077.65x = 111,515,157.54
  5. Step 5: Solve for x
    x = 111,515,157.54/11,077.65
  6. Step 6: Final answer
    x = 10,066.68

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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.