Home / 10,013.63-15,018.62-3,774.20

Finding the Fourth Proportional to 10,013.63, 15,018.62 and 3,774.20

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Solution

The fourth proportional to 10,013.63, 15,018.62 and 3,774.20 is: 5,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.63 : 15,018.62 = 3,774.20 : x
  2. Step 2: Convert to fraction form
    10,013.63/15,018.62 = 3,774.20/x
  3. Step 3: Cross multiply
    10,013.63x = 15,018.62 × 3,774.20
  4. Step 4: Simplify right side
    10,013.63x = 56,683,181.64
  5. Step 5: Solve for x
    x = 56,683,181.64/10,013.63
  6. Step 6: Final answer
    x = 5,660.61

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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.