Home / 22,259.03-30,717.45-12,188.10

Finding the Fourth Proportional to 22,259.03, 30,717.45 and 12,188.10

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Solution

The fourth proportional to 22,259.03, 30,717.45 and 12,188.10 is: 16,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.03 : 30,717.45 = 12,188.10 : x
  2. Step 2: Convert to fraction form
    22,259.03/30,717.45 = 12,188.10/x
  3. Step 3: Cross multiply
    22,259.03x = 30,717.45 × 12,188.10
  4. Step 4: Simplify right side
    22,259.03x = 374,387,242.64
  5. Step 5: Solve for x
    x = 374,387,242.64/22,259.03
  6. Step 6: Final answer
    x = 16,819.57

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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.