Home / 16,756.12-23,121.80-9,682.40

Finding the Fourth Proportional to 16,756.12, 23,121.80 and 9,682.40

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Solution

The fourth proportional to 16,756.12, 23,121.80 and 9,682.40 is: 13,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,756.12 : 23,121.80 = 9,682.40 : x
  2. Step 2: Convert to fraction form
    16,756.12/23,121.80 = 9,682.40/x
  3. Step 3: Cross multiply
    16,756.12x = 23,121.80 × 9,682.40
  4. Step 4: Simplify right side
    16,756.12x = 223,874,516.32
  5. Step 5: Solve for x
    x = 223,874,516.32/16,756.12
  6. Step 6: Final answer
    x = 13,360.76

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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.