Home / 15,013.04-20,717.09-8,298.26

Finding the Fourth Proportional to 15,013.04, 20,717.09 and 8,298.26

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Solution

The fourth proportional to 15,013.04, 20,717.09 and 8,298.26 is: 11,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.04 : 20,717.09 = 8,298.26 : x
  2. Step 2: Convert to fraction form
    15,013.04/20,717.09 = 8,298.26/x
  3. Step 3: Cross multiply
    15,013.04x = 20,717.09 × 8,298.26
  4. Step 4: Simplify right side
    15,013.04x = 171,915,902.87
  5. Step 5: Solve for x
    x = 171,915,902.87/15,013.04
  6. Step 6: Final answer
    x = 11,451.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.