Home / 11,291.04-15,576.39-7,313.49

Finding the Fourth Proportional to 11,291.04, 15,576.39 and 7,313.49

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Solution

The fourth proportional to 11,291.04, 15,576.39 and 7,313.49 is: 10,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.04 : 15,576.39 = 7,313.49 : x
  2. Step 2: Convert to fraction form
    11,291.04/15,576.39 = 7,313.49/x
  3. Step 3: Cross multiply
    11,291.04x = 15,576.39 × 7,313.49
  4. Step 4: Simplify right side
    11,291.04x = 113,917,772.50
  5. Step 5: Solve for x
    x = 113,917,772.50/11,291.04
  6. Step 6: Final answer
    x = 10,089.22

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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.