Home / 26,111.31-39,180.47-12,963.39

Finding the Fourth Proportional to 26,111.31, 39,180.47 and 12,963.39

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Solution

The fourth proportional to 26,111.31, 39,180.47 and 12,963.39 is: 19,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.31 : 39,180.47 = 12,963.39 : x
  2. Step 2: Convert to fraction form
    26,111.31/39,180.47 = 12,963.39/x
  3. Step 3: Cross multiply
    26,111.31x = 39,180.47 × 12,963.39
  4. Step 4: Simplify right side
    26,111.31x = 507,911,648.18
  5. Step 5: Solve for x
    x = 507,911,648.18/26,111.31
  6. Step 6: Final answer
    x = 19,451.79

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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.