Home / 19,119.42-26,385.12-10,622.10

Finding the Fourth Proportional to 19,119.42, 26,385.12 and 10,622.10

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Solution

The fourth proportional to 19,119.42, 26,385.12 and 10,622.10 is: 14,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.42 : 26,385.12 = 10,622.10 : x
  2. Step 2: Convert to fraction form
    19,119.42/26,385.12 = 10,622.10/x
  3. Step 3: Cross multiply
    19,119.42x = 26,385.12 × 10,622.10
  4. Step 4: Simplify right side
    19,119.42x = 280,265,383.15
  5. Step 5: Solve for x
    x = 280,265,383.15/19,119.42
  6. Step 6: Final answer
    x = 14,658.68

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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.