Home / 11,807.20-17,691.60-9,848.80

Finding the Fourth Proportional to 11,807.20, 17,691.60 and 9,848.80

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Solution

The fourth proportional to 11,807.20, 17,691.60 and 9,848.80 is: 14,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.20 : 17,691.60 = 9,848.80 : x
  2. Step 2: Convert to fraction form
    11,807.20/17,691.60 = 9,848.80/x
  3. Step 3: Cross multiply
    11,807.20x = 17,691.60 × 9,848.80
  4. Step 4: Simplify right side
    11,807.20x = 174,241,030.08
  5. Step 5: Solve for x
    x = 174,241,030.08/11,807.20
  6. Step 6: Final answer
    x = 14,757.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.