Home / 12,606.87-18,909.66-4,708.76

Finding the Fourth Proportional to 12,606.87, 18,909.66 and 4,708.76

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Solution

The fourth proportional to 12,606.87, 18,909.66 and 4,708.76 is: 7,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.87 : 18,909.66 = 4,708.76 : x
  2. Step 2: Convert to fraction form
    12,606.87/18,909.66 = 4,708.76/x
  3. Step 3: Cross multiply
    12,606.87x = 18,909.66 × 4,708.76
  4. Step 4: Simplify right side
    12,606.87x = 89,041,050.62
  5. Step 5: Solve for x
    x = 89,041,050.62/12,606.87
  6. Step 6: Final answer
    x = 7,062.90

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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.