Home / 14,960.50-22,395.39-9,990.34

Finding the Fourth Proportional to 14,960.50, 22,395.39 and 9,990.34

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Solution

The fourth proportional to 14,960.50, 22,395.39 and 9,990.34 is: 14,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.50 : 22,395.39 = 9,990.34 : x
  2. Step 2: Convert to fraction form
    14,960.50/22,395.39 = 9,990.34/x
  3. Step 3: Cross multiply
    14,960.50x = 22,395.39 × 9,990.34
  4. Step 4: Simplify right side
    14,960.50x = 223,737,560.53
  5. Step 5: Solve for x
    x = 223,737,560.53/14,960.50
  6. Step 6: Final answer
    x = 14,955.22

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1.5x scale

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.