Home / 12,726.46-19,086.03-5,330.74

Finding the Fourth Proportional to 12,726.46, 19,086.03 and 5,330.74

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Solution

The fourth proportional to 12,726.46, 19,086.03 and 5,330.74 is: 7,994.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.46 : 19,086.03 = 5,330.74 : x
  2. Step 2: Convert to fraction form
    12,726.46/19,086.03 = 5,330.74/x
  3. Step 3: Cross multiply
    12,726.46x = 19,086.03 × 5,330.74
  4. Step 4: Simplify right side
    12,726.46x = 101,742,663.56
  5. Step 5: Solve for x
    x = 101,742,663.56/12,726.46
  6. Step 6: Final answer
    x = 7,994.58

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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.