Home / 10,003.88-15,001.66-3,760.67

Finding the Fourth Proportional to 10,003.88, 15,001.66 and 3,760.67

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Solution

The fourth proportional to 10,003.88, 15,001.66 and 3,760.67 is: 5,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.88 : 15,001.66 = 3,760.67 : x
  2. Step 2: Convert to fraction form
    10,003.88/15,001.66 = 3,760.67/x
  3. Step 3: Cross multiply
    10,003.88x = 15,001.66 × 3,760.67
  4. Step 4: Simplify right side
    10,003.88x = 56,416,292.71
  5. Step 5: Solve for x
    x = 56,416,292.71/10,003.88
  6. Step 6: Final answer
    x = 5,639.44

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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.