Home / 10,317.14-15,477.36-5,052.57

Finding the Fourth Proportional to 10,317.14, 15,477.36 and 5,052.57

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Solution

The fourth proportional to 10,317.14, 15,477.36 and 5,052.57 is: 7,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.14 : 15,477.36 = 5,052.57 : x
  2. Step 2: Convert to fraction form
    10,317.14/15,477.36 = 5,052.57/x
  3. Step 3: Cross multiply
    10,317.14x = 15,477.36 × 5,052.57
  4. Step 4: Simplify right side
    10,317.14x = 78,200,375.58
  5. Step 5: Solve for x
    x = 78,200,375.58/10,317.14
  6. Step 6: Final answer
    x = 7,579.65

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1.5x scale

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.