Home / 15,102.30-22,653.45-11,214.30

Finding the Fourth Proportional to 15,102.30, 22,653.45 and 11,214.30

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Solution

The fourth proportional to 15,102.30, 22,653.45 and 11,214.30 is: 16,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.30 : 22,653.45 = 11,214.30 : x
  2. Step 2: Convert to fraction form
    15,102.30/22,653.45 = 11,214.30/x
  3. Step 3: Cross multiply
    15,102.30x = 22,653.45 × 11,214.30
  4. Step 4: Simplify right side
    15,102.30x = 254,042,584.34
  5. Step 5: Solve for x
    x = 254,042,584.34/15,102.30
  6. Step 6: Final answer
    x = 16,821.45

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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.