Home / 13,419.46-20,134.59-6,018.76

Finding the Fourth Proportional to 13,419.46, 20,134.59 and 6,018.76

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Solution

The fourth proportional to 13,419.46, 20,134.59 and 6,018.76 is: 9,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.46 : 20,134.59 = 6,018.76 : x
  2. Step 2: Convert to fraction form
    13,419.46/20,134.59 = 6,018.76/x
  3. Step 3: Cross multiply
    13,419.46x = 20,134.59 × 6,018.76
  4. Step 4: Simplify right side
    13,419.46x = 121,185,264.91
  5. Step 5: Solve for x
    x = 121,185,264.91/13,419.46
  6. Step 6: Final answer
    x = 9,030.56

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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.