Home / 16,860.60-23,266.80-9,785.88

Finding the Fourth Proportional to 16,860.60, 23,266.80 and 9,785.88

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Solution

The fourth proportional to 16,860.60, 23,266.80 and 9,785.88 is: 13,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.60 : 23,266.80 = 9,785.88 : x
  2. Step 2: Convert to fraction form
    16,860.60/23,266.80 = 9,785.88/x
  3. Step 3: Cross multiply
    16,860.60x = 23,266.80 × 9,785.88
  4. Step 4: Simplify right side
    16,860.60x = 227,686,112.78
  5. Step 5: Solve for x
    x = 227,686,112.78/16,860.60
  6. Step 6: Final answer
    x = 13,504.03

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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.