Home / 19,122.64-28,659.62-10,807.29

Finding the Fourth Proportional to 19,122.64, 28,659.62 and 10,807.29

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Solution

The fourth proportional to 19,122.64, 28,659.62 and 10,807.29 is: 16,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.64 : 28,659.62 = 10,807.29 : x
  2. Step 2: Convert to fraction form
    19,122.64/28,659.62 = 10,807.29/x
  3. Step 3: Cross multiply
    19,122.64x = 28,659.62 × 10,807.29
  4. Step 4: Simplify right side
    19,122.64x = 309,732,770.59
  5. Step 5: Solve for x
    x = 309,732,770.59/19,122.64
  6. Step 6: Final answer
    x = 16,197.18

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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.