Home / 10,068.87-15,103.44-3,495.18

Finding the Fourth Proportional to 10,068.87, 15,103.44 and 3,495.18

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Solution

The fourth proportional to 10,068.87, 15,103.44 and 3,495.18 is: 5,242.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.87 : 15,103.44 = 3,495.18 : x
  2. Step 2: Convert to fraction form
    10,068.87/15,103.44 = 3,495.18/x
  3. Step 3: Cross multiply
    10,068.87x = 15,103.44 × 3,495.18
  4. Step 4: Simplify right side
    10,068.87x = 52,789,241.42
  5. Step 5: Solve for x
    x = 52,789,241.42/10,068.87
  6. Step 6: Final answer
    x = 5,242.82

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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.