Home / 14,103.90-19,459.17-8,135.46

Finding the Fourth Proportional to 14,103.90, 19,459.17 and 8,135.46

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Solution

The fourth proportional to 14,103.90, 19,459.17 and 8,135.46 is: 11,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.90 : 19,459.17 = 8,135.46 : x
  2. Step 2: Convert to fraction form
    14,103.90/19,459.17 = 8,135.46/x
  3. Step 3: Cross multiply
    14,103.90x = 19,459.17 × 8,135.46
  4. Step 4: Simplify right side
    14,103.90x = 158,309,299.17
  5. Step 5: Solve for x
    x = 158,309,299.17/14,103.90
  6. Step 6: Final answer
    x = 11,224.51

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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.