Home / 12,848.70-19,268.18-5,456.64

Finding the Fourth Proportional to 12,848.70, 19,268.18 and 5,456.64

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Solution

The fourth proportional to 12,848.70, 19,268.18 and 5,456.64 is: 8,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.70 : 19,268.18 = 5,456.64 : x
  2. Step 2: Convert to fraction form
    12,848.70/19,268.18 = 5,456.64/x
  3. Step 3: Cross multiply
    12,848.70x = 19,268.18 × 5,456.64
  4. Step 4: Simplify right side
    12,848.70x = 105,139,463.10
  5. Step 5: Solve for x
    x = 105,139,463.10/12,848.70
  6. Step 6: Final answer
    x = 8,182.89

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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.