Home / 12,599.60-18,903.67-5,578.65

Finding the Fourth Proportional to 12,599.60, 18,903.67 and 5,578.65

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Solution

The fourth proportional to 12,599.60, 18,903.67 and 5,578.65 is: 8,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.60 : 18,903.67 = 5,578.65 : x
  2. Step 2: Convert to fraction form
    12,599.60/18,903.67 = 5,578.65/x
  3. Step 3: Cross multiply
    12,599.60x = 18,903.67 × 5,578.65
  4. Step 4: Simplify right side
    12,599.60x = 105,456,864.13
  5. Step 5: Solve for x
    x = 105,456,864.13/12,599.60
  6. Step 6: Final answer
    x = 8,369.86

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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.