Home / 14,043.02-21,089.61-13,478.61

Finding the Fourth Proportional to 14,043.02, 21,089.61 and 13,478.61

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Solution

The fourth proportional to 14,043.02, 21,089.61 and 13,478.61 is: 20,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.02 : 21,089.61 = 13,478.61 : x
  2. Step 2: Convert to fraction form
    14,043.02/21,089.61 = 13,478.61/x
  3. Step 3: Cross multiply
    14,043.02x = 21,089.61 × 13,478.61
  4. Step 4: Simplify right side
    14,043.02x = 284,258,628.24
  5. Step 5: Solve for x
    x = 284,258,628.24/14,043.02
  6. Step 6: Final answer
    x = 20,241.99

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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.