Home / 12,726.10-19,090.56-4,406.86

Finding the Fourth Proportional to 12,726.10, 19,090.56 and 4,406.86

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Solution

The fourth proportional to 12,726.10, 19,090.56 and 4,406.86 is: 6,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.10 : 19,090.56 = 4,406.86 : x
  2. Step 2: Convert to fraction form
    12,726.10/19,090.56 = 4,406.86/x
  3. Step 3: Cross multiply
    12,726.10x = 19,090.56 × 4,406.86
  4. Step 4: Simplify right side
    12,726.10x = 84,129,425.24
  5. Step 5: Solve for x
    x = 84,129,425.24/12,726.10
  6. Step 6: Final answer
    x = 6,610.78

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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.