Home / 13,237.68-19,856.70-3,377.07

Finding the Fourth Proportional to 13,237.68, 19,856.70 and 3,377.07

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Solution

The fourth proportional to 13,237.68, 19,856.70 and 3,377.07 is: 5,065.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.68 : 19,856.70 = 3,377.07 : x
  2. Step 2: Convert to fraction form
    13,237.68/19,856.70 = 3,377.07/x
  3. Step 3: Cross multiply
    13,237.68x = 19,856.70 × 3,377.07
  4. Step 4: Simplify right side
    13,237.68x = 67,057,465.87
  5. Step 5: Solve for x
    x = 67,057,465.87/13,237.68
  6. Step 6: Final answer
    x = 5,065.65

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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.