Home / 26,180.74-39,275.52-12,135.07

Finding the Fourth Proportional to 26,180.74, 39,275.52 and 12,135.07

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Solution

The fourth proportional to 26,180.74, 39,275.52 and 12,135.07 is: 18,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.74 : 39,275.52 = 12,135.07 : x
  2. Step 2: Convert to fraction form
    26,180.74/39,275.52 = 12,135.07/x
  3. Step 3: Cross multiply
    26,180.74x = 39,275.52 × 12,135.07
  4. Step 4: Simplify right side
    26,180.74x = 476,611,184.49
  5. Step 5: Solve for x
    x = 476,611,184.49/26,180.74
  6. Step 6: Final answer
    x = 18,204.65

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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.