Home / 12,347.05-18,524.90-3,582.49

Finding the Fourth Proportional to 12,347.05, 18,524.90 and 3,582.49

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Solution

The fourth proportional to 12,347.05, 18,524.90 and 3,582.49 is: 5,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.05 : 18,524.90 = 3,582.49 : x
  2. Step 2: Convert to fraction form
    12,347.05/18,524.90 = 3,582.49/x
  3. Step 3: Cross multiply
    12,347.05x = 18,524.90 × 3,582.49
  4. Step 4: Simplify right side
    12,347.05x = 66,365,269.00
  5. Step 5: Solve for x
    x = 66,365,269.00/12,347.05
  6. Step 6: Final answer
    x = 5,374.99

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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.