Home / 10,211.04-15,309.41-5,214.93

Finding the Fourth Proportional to 10,211.04, 15,309.41 and 5,214.93

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Solution

The fourth proportional to 10,211.04, 15,309.41 and 5,214.93 is: 7,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.04 : 15,309.41 = 5,214.93 : x
  2. Step 2: Convert to fraction form
    10,211.04/15,309.41 = 5,214.93/x
  3. Step 3: Cross multiply
    10,211.04x = 15,309.41 × 5,214.93
  4. Step 4: Simplify right side
    10,211.04x = 79,837,504.12
  5. Step 5: Solve for x
    x = 79,837,504.12/10,211.04
  6. Step 6: Final answer
    x = 7,818.75

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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.