Home / 14,840.11-20,479.37-8,126.17

Finding the Fourth Proportional to 14,840.11, 20,479.37 and 8,126.17

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Solution

The fourth proportional to 14,840.11, 20,479.37 and 8,126.17 is: 11,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,840.11 : 20,479.37 = 8,126.17 : x
  2. Step 2: Convert to fraction form
    14,840.11/20,479.37 = 8,126.17/x
  3. Step 3: Cross multiply
    14,840.11x = 20,479.37 × 8,126.17
  4. Step 4: Simplify right side
    14,840.11x = 166,418,842.11
  5. Step 5: Solve for x
    x = 166,418,842.11/14,840.11
  6. Step 6: Final answer
    x = 11,214.12

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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.