Home / 19,053.60-26,290.82-11,975

Finding the Fourth Proportional to 19,053.60, 26,290.82 and 11,975

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Solution

The fourth proportional to 19,053.60, 26,290.82 and 11,975 is: 16,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.60 : 26,290.82 = 11,975 : x
  2. Step 2: Convert to fraction form
    19,053.60/26,290.82 = 11,975/x
  3. Step 3: Cross multiply
    19,053.60x = 26,290.82 × 11,975
  4. Step 4: Simplify right side
    19,053.60x = 314,832,569.50
  5. Step 5: Solve for x
    x = 314,832,569.50/19,053.60
  6. Step 6: Final answer
    x = 16,523.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.