Home / 13,316.24-19,977.48-4,551.18

Finding the Fourth Proportional to 13,316.24, 19,977.48 and 4,551.18

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Solution

The fourth proportional to 13,316.24, 19,977.48 and 4,551.18 is: 6,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.24 : 19,977.48 = 4,551.18 : x
  2. Step 2: Convert to fraction form
    13,316.24/19,977.48 = 4,551.18/x
  3. Step 3: Cross multiply
    13,316.24x = 19,977.48 × 4,551.18
  4. Step 4: Simplify right side
    13,316.24x = 90,921,107.43
  5. Step 5: Solve for x
    x = 90,921,107.43/13,316.24
  6. Step 6: Final answer
    x = 6,827.84

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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.