Home / 13,260.87-19,892.04-3,400.23

Finding the Fourth Proportional to 13,260.87, 19,892.04 and 3,400.23

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Solution

The fourth proportional to 13,260.87, 19,892.04 and 3,400.23 is: 5,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.87 : 19,892.04 = 3,400.23 : x
  2. Step 2: Convert to fraction form
    13,260.87/19,892.04 = 3,400.23/x
  3. Step 3: Cross multiply
    13,260.87x = 19,892.04 × 3,400.23
  4. Step 4: Simplify right side
    13,260.87x = 67,637,511.17
  5. Step 5: Solve for x
    x = 67,637,511.17/13,260.87
  6. Step 6: Final answer
    x = 5,100.53

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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.