Home / 12,259.10-18,365.45-7,246.46

Finding the Fourth Proportional to 12,259.10, 18,365.45 and 7,246.46

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Solution

The fourth proportional to 12,259.10, 18,365.45 and 7,246.46 is: 10,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.10 : 18,365.45 = 7,246.46 : x
  2. Step 2: Convert to fraction form
    12,259.10/18,365.45 = 7,246.46/x
  3. Step 3: Cross multiply
    12,259.10x = 18,365.45 × 7,246.46
  4. Step 4: Simplify right side
    12,259.10x = 133,084,508.49
  5. Step 5: Solve for x
    x = 133,084,508.49/12,259.10
  6. Step 6: Final answer
    x = 10,855.97

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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.