Home / 12,675.93-19,007.54-3,909.70

Finding the Fourth Proportional to 12,675.93, 19,007.54 and 3,909.70

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Solution

The fourth proportional to 12,675.93, 19,007.54 and 3,909.70 is: 5,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.93 : 19,007.54 = 3,909.70 : x
  2. Step 2: Convert to fraction form
    12,675.93/19,007.54 = 3,909.70/x
  3. Step 3: Cross multiply
    12,675.93x = 19,007.54 × 3,909.70
  4. Step 4: Simplify right side
    12,675.93x = 74,313,779.14
  5. Step 5: Solve for x
    x = 74,313,779.14/12,675.93
  6. Step 6: Final answer
    x = 5,862.59

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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.