Home / 12,688.88-19,035.35-4,366.85

Finding the Fourth Proportional to 12,688.88, 19,035.35 and 4,366.85

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Solution

The fourth proportional to 12,688.88, 19,035.35 and 4,366.85 is: 6,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688.88 : 19,035.35 = 4,366.85 : x
  2. Step 2: Convert to fraction form
    12,688.88/19,035.35 = 4,366.85/x
  3. Step 3: Cross multiply
    12,688.88x = 19,035.35 × 4,366.85
  4. Step 4: Simplify right side
    12,688.88x = 83,124,496.31
  5. Step 5: Solve for x
    x = 83,124,496.31/12,688.88
  6. Step 6: Final answer
    x = 6,550.97

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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.