Home / 22,099.34-30,498.45-12,669.32

Finding the Fourth Proportional to 22,099.34, 30,498.45 and 12,669.32

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Solution

The fourth proportional to 22,099.34, 30,498.45 and 12,669.32 is: 17,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099.34 : 30,498.45 = 12,669.32 : x
  2. Step 2: Convert to fraction form
    22,099.34/30,498.45 = 12,669.32/x
  3. Step 3: Cross multiply
    22,099.34x = 30,498.45 × 12,669.32
  4. Step 4: Simplify right side
    22,099.34x = 386,394,622.55
  5. Step 5: Solve for x
    x = 386,394,622.55/22,099.34
  6. Step 6: Final answer
    x = 17,484.44

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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.