Home / 16,344.50-22,557.33-9,720.50

Finding the Fourth Proportional to 16,344.50, 22,557.33 and 9,720.50

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Solution

The fourth proportional to 16,344.50, 22,557.33 and 9,720.50 is: 13,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,344.50 : 22,557.33 = 9,720.50 : x
  2. Step 2: Convert to fraction form
    16,344.50/22,557.33 = 9,720.50/x
  3. Step 3: Cross multiply
    16,344.50x = 22,557.33 × 9,720.50
  4. Step 4: Simplify right side
    16,344.50x = 219,268,526.27
  5. Step 5: Solve for x
    x = 219,268,526.27/16,344.50
  6. Step 6: Final answer
    x = 13,415.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.