Home / 12,873.66-19,308.33-3,637.50

Finding the Fourth Proportional to 12,873.66, 19,308.33 and 3,637.50

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Solution

The fourth proportional to 12,873.66, 19,308.33 and 3,637.50 is: 5,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.66 : 19,308.33 = 3,637.50 : x
  2. Step 2: Convert to fraction form
    12,873.66/19,308.33 = 3,637.50/x
  3. Step 3: Cross multiply
    12,873.66x = 19,308.33 × 3,637.50
  4. Step 4: Simplify right side
    12,873.66x = 70,234,050.38
  5. Step 5: Solve for x
    x = 70,234,050.38/12,873.66
  6. Step 6: Final answer
    x = 5,455.64

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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.