Home / 16,990.36-23,446.21-9,436.50

Finding the Fourth Proportional to 16,990.36, 23,446.21 and 9,436.50

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Solution

The fourth proportional to 16,990.36, 23,446.21 and 9,436.50 is: 13,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.36 : 23,446.21 = 9,436.50 : x
  2. Step 2: Convert to fraction form
    16,990.36/23,446.21 = 9,436.50/x
  3. Step 3: Cross multiply
    16,990.36x = 23,446.21 × 9,436.50
  4. Step 4: Simplify right side
    16,990.36x = 221,250,154.77
  5. Step 5: Solve for x
    x = 221,250,154.77/16,990.36
  6. Step 6: Final answer
    x = 13,022.10

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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.