Home / 12,848.40-19,273.55-5,452.02

Finding the Fourth Proportional to 12,848.40, 19,273.55 and 5,452.02

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Solution

The fourth proportional to 12,848.40, 19,273.55 and 5,452.02 is: 8,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.40 : 19,273.55 = 5,452.02 : x
  2. Step 2: Convert to fraction form
    12,848.40/19,273.55 = 5,452.02/x
  3. Step 3: Cross multiply
    12,848.40x = 19,273.55 × 5,452.02
  4. Step 4: Simplify right side
    12,848.40x = 105,079,752.81
  5. Step 5: Solve for x
    x = 105,079,752.81/12,848.40
  6. Step 6: Final answer
    x = 8,178.43

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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.