Home / 13,257.68-19,869.55-6,222.12

Finding the Fourth Proportional to 13,257.68, 19,869.55 and 6,222.12

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Solution

The fourth proportional to 13,257.68, 19,869.55 and 6,222.12 is: 9,325.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.68 : 19,869.55 = 6,222.12 : x
  2. Step 2: Convert to fraction form
    13,257.68/19,869.55 = 6,222.12/x
  3. Step 3: Cross multiply
    13,257.68x = 19,869.55 × 6,222.12
  4. Step 4: Simplify right side
    13,257.68x = 123,630,669.38
  5. Step 5: Solve for x
    x = 123,630,669.38/13,257.68
  6. Step 6: Final answer
    x = 9,325.21

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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.