Home / 12,904.87-19,354.99-3,417.25

Finding the Fourth Proportional to 12,904.87, 19,354.99 and 3,417.25

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Solution

The fourth proportional to 12,904.87, 19,354.99 and 3,417.25 is: 5,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.87 : 19,354.99 = 3,417.25 : x
  2. Step 2: Convert to fraction form
    12,904.87/19,354.99 = 3,417.25/x
  3. Step 3: Cross multiply
    12,904.87x = 19,354.99 × 3,417.25
  4. Step 4: Simplify right side
    12,904.87x = 66,140,789.05
  5. Step 5: Solve for x
    x = 66,140,789.05/12,904.87
  6. Step 6: Final answer
    x = 5,125.26

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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.