Home / 15,469.90-23,204.44-10,721.42

Finding the Fourth Proportional to 15,469.90, 23,204.44 and 10,721.42

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Solution

The fourth proportional to 15,469.90, 23,204.44 and 10,721.42 is: 16,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469.90 : 23,204.44 = 10,721.42 : x
  2. Step 2: Convert to fraction form
    15,469.90/23,204.44 = 10,721.42/x
  3. Step 3: Cross multiply
    15,469.90x = 23,204.44 × 10,721.42
  4. Step 4: Simplify right side
    15,469.90x = 248,784,547.10
  5. Step 5: Solve for x
    x = 248,784,547.10/15,469.90
  6. Step 6: Final answer
    x = 16,081.85

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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.