Home / 10,178.36-15,266.26-3,602.68

Finding the Fourth Proportional to 10,178.36, 15,266.26 and 3,602.68

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Solution

The fourth proportional to 10,178.36, 15,266.26 and 3,602.68 is: 5,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.36 : 15,266.26 = 3,602.68 : x
  2. Step 2: Convert to fraction form
    10,178.36/15,266.26 = 3,602.68/x
  3. Step 3: Cross multiply
    10,178.36x = 15,266.26 × 3,602.68
  4. Step 4: Simplify right side
    10,178.36x = 54,999,449.58
  5. Step 5: Solve for x
    x = 54,999,449.58/10,178.36
  6. Step 6: Final answer
    x = 5,403.57

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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.