Home / 14,289.99-21,436.01-4,929.87

Finding the Fourth Proportional to 14,289.99, 21,436.01 and 4,929.87

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Solution

The fourth proportional to 14,289.99, 21,436.01 and 4,929.87 is: 7,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.99 : 21,436.01 = 4,929.87 : x
  2. Step 2: Convert to fraction form
    14,289.99/21,436.01 = 4,929.87/x
  3. Step 3: Cross multiply
    14,289.99x = 21,436.01 × 4,929.87
  4. Step 4: Simplify right side
    14,289.99x = 105,676,717.97
  5. Step 5: Solve for x
    x = 105,676,717.97/14,289.99
  6. Step 6: Final answer
    x = 7,395.16

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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.