Home / 22,607.45-31,199.87-12,536.85

Finding the Fourth Proportional to 22,607.45, 31,199.87 and 12,536.85

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Solution

The fourth proportional to 22,607.45, 31,199.87 and 12,536.85 is: 17,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.45 : 31,199.87 = 12,536.85 : x
  2. Step 2: Convert to fraction form
    22,607.45/31,199.87 = 12,536.85/x
  3. Step 3: Cross multiply
    22,607.45x = 31,199.87 × 12,536.85
  4. Step 4: Simplify right side
    22,607.45x = 391,148,121.55
  5. Step 5: Solve for x
    x = 391,148,121.55/22,607.45
  6. Step 6: Final answer
    x = 17,301.74

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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.