Home / 10,904.11-15,053.01-7,317.79

Finding the Fourth Proportional to 10,904.11, 15,053.01 and 7,317.79

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Solution

The fourth proportional to 10,904.11, 15,053.01 and 7,317.79 is: 10,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.11 : 15,053.01 = 7,317.79 : x
  2. Step 2: Convert to fraction form
    10,904.11/15,053.01 = 7,317.79/x
  3. Step 3: Cross multiply
    10,904.11x = 15,053.01 × 7,317.79
  4. Step 4: Simplify right side
    10,904.11x = 110,154,766.05
  5. Step 5: Solve for x
    x = 110,154,766.05/10,904.11
  6. Step 6: Final answer
    x = 10,102.13

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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.