Home / 15,215.30-22,808.37-6,438.14

Finding the Fourth Proportional to 15,215.30, 22,808.37 and 6,438.14

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Solution

The fourth proportional to 15,215.30, 22,808.37 and 6,438.14 is: 9,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.30 : 22,808.37 = 6,438.14 : x
  2. Step 2: Convert to fraction form
    15,215.30/22,808.37 = 6,438.14/x
  3. Step 3: Cross multiply
    15,215.30x = 22,808.37 × 6,438.14
  4. Step 4: Simplify right side
    15,215.30x = 146,843,479.23
  5. Step 5: Solve for x
    x = 146,843,479.23/15,215.30
  6. Step 6: Final answer
    x = 9,651.04

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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.