Home / 16,989.75-23,445.86-9,537.75

Finding the Fourth Proportional to 16,989.75, 23,445.86 and 9,537.75

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Solution

The fourth proportional to 16,989.75, 23,445.86 and 9,537.75 is: 13,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.75 : 23,445.86 = 9,537.75 : x
  2. Step 2: Convert to fraction form
    16,989.75/23,445.86 = 9,537.75/x
  3. Step 3: Cross multiply
    16,989.75x = 23,445.86 × 9,537.75
  4. Step 4: Simplify right side
    16,989.75x = 223,620,703.53
  5. Step 5: Solve for x
    x = 223,620,703.53/16,989.75
  6. Step 6: Final answer
    x = 13,162.10

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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.