Home / 10,002.15-15,002.83-2,606.67

Finding the Fourth Proportional to 10,002.15, 15,002.83 and 2,606.67

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Solution

The fourth proportional to 10,002.15, 15,002.83 and 2,606.67 is: 3,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.15 : 15,002.83 = 2,606.67 : x
  2. Step 2: Convert to fraction form
    10,002.15/15,002.83 = 2,606.67/x
  3. Step 3: Cross multiply
    10,002.15x = 15,002.83 × 2,606.67
  4. Step 4: Simplify right side
    10,002.15x = 39,107,430.13
  5. Step 5: Solve for x
    x = 39,107,430.13/10,002.15
  6. Step 6: Final answer
    x = 3,909.90

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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.