Home / 10,303.97-15,457.17-7,723.31

Finding the Fourth Proportional to 10,303.97, 15,457.17 and 7,723.31

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Solution

The fourth proportional to 10,303.97, 15,457.17 and 7,723.31 is: 11,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.97 : 15,457.17 = 7,723.31 : x
  2. Step 2: Convert to fraction form
    10,303.97/15,457.17 = 7,723.31/x
  3. Step 3: Cross multiply
    10,303.97x = 15,457.17 × 7,723.31
  4. Step 4: Simplify right side
    10,303.97x = 119,380,515.63
  5. Step 5: Solve for x
    x = 119,380,515.63/10,303.97
  6. Step 6: Final answer
    x = 11,585.88

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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.