Home / 16,989.50-23,445.14-9,435.41

Finding the Fourth Proportional to 16,989.50, 23,445.14 and 9,435.41

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Solution

The fourth proportional to 16,989.50, 23,445.14 and 9,435.41 is: 13,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.50 : 23,445.14 = 9,435.41 : x
  2. Step 2: Convert to fraction form
    16,989.50/23,445.14 = 9,435.41/x
  3. Step 3: Cross multiply
    16,989.50x = 23,445.14 × 9,435.41
  4. Step 4: Simplify right side
    16,989.50x = 221,214,508.41
  5. Step 5: Solve for x
    x = 221,214,508.41/16,989.50
  6. Step 6: Final answer
    x = 13,020.66

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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.