Home / 11,558.04-17,338.14-5,319.78

Finding the Fourth Proportional to 11,558.04, 17,338.14 and 5,319.78

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Solution

The fourth proportional to 11,558.04, 17,338.14 and 5,319.78 is: 7,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.04 : 17,338.14 = 5,319.78 : x
  2. Step 2: Convert to fraction form
    11,558.04/17,338.14 = 5,319.78/x
  3. Step 3: Cross multiply
    11,558.04x = 17,338.14 × 5,319.78
  4. Step 4: Simplify right side
    11,558.04x = 92,235,090.41
  5. Step 5: Solve for x
    x = 92,235,090.41/11,558.04
  6. Step 6: Final answer
    x = 7,980.17

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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.