Home / 11,328.45-16,987.17-4,752.87

Finding the Fourth Proportional to 11,328.45, 16,987.17 and 4,752.87

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Solution

The fourth proportional to 11,328.45, 16,987.17 and 4,752.87 is: 7,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.45 : 16,987.17 = 4,752.87 : x
  2. Step 2: Convert to fraction form
    11,328.45/16,987.17 = 4,752.87/x
  3. Step 3: Cross multiply
    11,328.45x = 16,987.17 × 4,752.87
  4. Step 4: Simplify right side
    11,328.45x = 80,737,810.68
  5. Step 5: Solve for x
    x = 80,737,810.68/11,328.45
  6. Step 6: Final answer
    x = 7,127.00

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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.