Home / 13,017.64-19,527.90-3,784.36

Finding the Fourth Proportional to 13,017.64, 19,527.90 and 3,784.36

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Solution

The fourth proportional to 13,017.64, 19,527.90 and 3,784.36 is: 5,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.64 : 19,527.90 = 3,784.36 : x
  2. Step 2: Convert to fraction form
    13,017.64/19,527.90 = 3,784.36/x
  3. Step 3: Cross multiply
    13,017.64x = 19,527.90 × 3,784.36
  4. Step 4: Simplify right side
    13,017.64x = 73,900,603.64
  5. Step 5: Solve for x
    x = 73,900,603.64/13,017.64
  6. Step 6: Final answer
    x = 5,676.96

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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.