Home / 16,690.80-23,034.96-9,975.48

Finding the Fourth Proportional to 16,690.80, 23,034.96 and 9,975.48

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Solution

The fourth proportional to 16,690.80, 23,034.96 and 9,975.48 is: 13,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690.80 : 23,034.96 = 9,975.48 : x
  2. Step 2: Convert to fraction form
    16,690.80/23,034.96 = 9,975.48/x
  3. Step 3: Cross multiply
    16,690.80x = 23,034.96 × 9,975.48
  4. Step 4: Simplify right side
    16,690.80x = 229,784,782.78
  5. Step 5: Solve for x
    x = 229,784,782.78/16,690.80
  6. Step 6: Final answer
    x = 13,767.15

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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.