Home / 12,754.26-19,130.31-4,432.86

Finding the Fourth Proportional to 12,754.26, 19,130.31 and 4,432.86

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Solution

The fourth proportional to 12,754.26, 19,130.31 and 4,432.86 is: 6,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.26 : 19,130.31 = 4,432.86 : x
  2. Step 2: Convert to fraction form
    12,754.26/19,130.31 = 4,432.86/x
  3. Step 3: Cross multiply
    12,754.26x = 19,130.31 × 4,432.86
  4. Step 4: Simplify right side
    12,754.26x = 84,801,985.99
  5. Step 5: Solve for x
    x = 84,801,985.99/12,754.26
  6. Step 6: Final answer
    x = 6,648.91

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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.