Home / 11,328.37-15,637.51-7,550.15

Finding the Fourth Proportional to 11,328.37, 15,637.51 and 7,550.15

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Solution

The fourth proportional to 11,328.37, 15,637.51 and 7,550.15 is: 10,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.37 : 15,637.51 = 7,550.15 : x
  2. Step 2: Convert to fraction form
    11,328.37/15,637.51 = 7,550.15/x
  3. Step 3: Cross multiply
    11,328.37x = 15,637.51 × 7,550.15
  4. Step 4: Simplify right side
    11,328.37x = 118,065,508.38
  5. Step 5: Solve for x
    x = 118,065,508.38/11,328.37
  6. Step 6: Final answer
    x = 10,422.11

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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.