Home / 10,271.20-15,394.44-4,716.89

Finding the Fourth Proportional to 10,271.20, 15,394.44 and 4,716.89

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Solution

The fourth proportional to 10,271.20, 15,394.44 and 4,716.89 is: 7,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.20 : 15,394.44 = 4,716.89 : x
  2. Step 2: Convert to fraction form
    10,271.20/15,394.44 = 4,716.89/x
  3. Step 3: Cross multiply
    10,271.20x = 15,394.44 × 4,716.89
  4. Step 4: Simplify right side
    10,271.20x = 72,613,880.09
  5. Step 5: Solve for x
    x = 72,613,880.09/10,271.20
  6. Step 6: Final answer
    x = 7,069.66

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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.