Home / 13,226.10-19,831.24-4,459.87

Finding the Fourth Proportional to 13,226.10, 19,831.24 and 4,459.87

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Solution

The fourth proportional to 13,226.10, 19,831.24 and 4,459.87 is: 6,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.10 : 19,831.24 = 4,459.87 : x
  2. Step 2: Convert to fraction form
    13,226.10/19,831.24 = 4,459.87/x
  3. Step 3: Cross multiply
    13,226.10x = 19,831.24 × 4,459.87
  4. Step 4: Simplify right side
    13,226.10x = 88,444,752.34
  5. Step 5: Solve for x
    x = 88,444,752.34/13,226.10
  6. Step 6: Final answer
    x = 6,687.14

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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.