Home / 12,444.48-18,666.60-7,545.60

Finding the Fourth Proportional to 12,444.48, 18,666.60 and 7,545.60

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Solution

The fourth proportional to 12,444.48, 18,666.60 and 7,545.60 is: 11,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.48 : 18,666.60 = 7,545.60 : x
  2. Step 2: Convert to fraction form
    12,444.48/18,666.60 = 7,545.60/x
  3. Step 3: Cross multiply
    12,444.48x = 18,666.60 × 7,545.60
  4. Step 4: Simplify right side
    12,444.48x = 140,850,696.96
  5. Step 5: Solve for x
    x = 140,850,696.96/12,444.48
  6. Step 6: Final answer
    x = 11,318.33

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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.