Home / 10,231.37-15,333.06-7,730.51

Finding the Fourth Proportional to 10,231.37, 15,333.06 and 7,730.51

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Solution

The fourth proportional to 10,231.37, 15,333.06 and 7,730.51 is: 11,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.37 : 15,333.06 = 7,730.51 : x
  2. Step 2: Convert to fraction form
    10,231.37/15,333.06 = 7,730.51/x
  3. Step 3: Cross multiply
    10,231.37x = 15,333.06 × 7,730.51
  4. Step 4: Simplify right side
    10,231.37x = 118,532,373.66
  5. Step 5: Solve for x
    x = 118,532,373.66/10,231.37
  6. Step 6: Final answer
    x = 11,585.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.