Home / 19,202.67-28,807.92-10,886.40

Finding the Fourth Proportional to 19,202.67, 28,807.92 and 10,886.40

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Solution

The fourth proportional to 19,202.67, 28,807.92 and 10,886.40 is: 16,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202.67 : 28,807.92 = 10,886.40 : x
  2. Step 2: Convert to fraction form
    19,202.67/28,807.92 = 10,886.40/x
  3. Step 3: Cross multiply
    19,202.67x = 28,807.92 × 10,886.40
  4. Step 4: Simplify right side
    19,202.67x = 313,614,540.29
  5. Step 5: Solve for x
    x = 313,614,540.29/19,202.67
  6. Step 6: Final answer
    x = 16,331.82

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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.