Home / 12,432.11-18,629.01-5,764.50

Finding the Fourth Proportional to 12,432.11, 18,629.01 and 5,764.50

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Solution

The fourth proportional to 12,432.11, 18,629.01 and 5,764.50 is: 8,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.11 : 18,629.01 = 5,764.50 : x
  2. Step 2: Convert to fraction form
    12,432.11/18,629.01 = 5,764.50/x
  3. Step 3: Cross multiply
    12,432.11x = 18,629.01 × 5,764.50
  4. Step 4: Simplify right side
    12,432.11x = 107,386,928.15
  5. Step 5: Solve for x
    x = 107,386,928.15/12,432.11
  6. Step 6: Final answer
    x = 8,637.87

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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.