Home / 14,127.16-21,193.62-4,265.50

Finding the Fourth Proportional to 14,127.16, 21,193.62 and 4,265.50

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Solution

The fourth proportional to 14,127.16, 21,193.62 and 4,265.50 is: 6,399.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.16 : 21,193.62 = 4,265.50 : x
  2. Step 2: Convert to fraction form
    14,127.16/21,193.62 = 4,265.50/x
  3. Step 3: Cross multiply
    14,127.16x = 21,193.62 × 4,265.50
  4. Step 4: Simplify right side
    14,127.16x = 90,401,386.11
  5. Step 5: Solve for x
    x = 90,401,386.11/14,127.16
  6. Step 6: Final answer
    x = 6,399.12

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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.