Home / 10,120.74-15,181.10-4,573.05

Finding the Fourth Proportional to 10,120.74, 15,181.10 and 4,573.05

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Solution

The fourth proportional to 10,120.74, 15,181.10 and 4,573.05 is: 6,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.74 : 15,181.10 = 4,573.05 : x
  2. Step 2: Convert to fraction form
    10,120.74/15,181.10 = 4,573.05/x
  3. Step 3: Cross multiply
    10,120.74x = 15,181.10 × 4,573.05
  4. Step 4: Simplify right side
    10,120.74x = 69,423,929.36
  5. Step 5: Solve for x
    x = 69,423,929.36/10,120.74
  6. Step 6: Final answer
    x = 6,859.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.