Home / 13,214.88-19,817.28-4,328.01

Finding the Fourth Proportional to 13,214.88, 19,817.28 and 4,328.01

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Solution

The fourth proportional to 13,214.88, 19,817.28 and 4,328.01 is: 6,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.88 : 19,817.28 = 4,328.01 : x
  2. Step 2: Convert to fraction form
    13,214.88/19,817.28 = 4,328.01/x
  3. Step 3: Cross multiply
    13,214.88x = 19,817.28 × 4,328.01
  4. Step 4: Simplify right side
    13,214.88x = 85,769,386.01
  5. Step 5: Solve for x
    x = 85,769,386.01/13,214.88
  6. Step 6: Final answer
    x = 6,490.36

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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.