Home / 10,012.76-15,018.30-3,087.32

Finding the Fourth Proportional to 10,012.76, 15,018.30 and 3,087.32

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Solution

The fourth proportional to 10,012.76, 15,018.30 and 3,087.32 is: 4,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.76 : 15,018.30 = 3,087.32 : x
  2. Step 2: Convert to fraction form
    10,012.76/15,018.30 = 3,087.32/x
  3. Step 3: Cross multiply
    10,012.76x = 15,018.30 × 3,087.32
  4. Step 4: Simplify right side
    10,012.76x = 46,366,297.96
  5. Step 5: Solve for x
    x = 46,366,297.96/10,012.76
  6. Step 6: Final answer
    x = 4,630.72

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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.