Home / 14,650.64-20,221.50-8,366.66

Finding the Fourth Proportional to 14,650.64, 20,221.50 and 8,366.66

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Solution

The fourth proportional to 14,650.64, 20,221.50 and 8,366.66 is: 11,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.64 : 20,221.50 = 8,366.66 : x
  2. Step 2: Convert to fraction form
    14,650.64/20,221.50 = 8,366.66/x
  3. Step 3: Cross multiply
    14,650.64x = 20,221.50 × 8,366.66
  4. Step 4: Simplify right side
    14,650.64x = 169,186,415.19
  5. Step 5: Solve for x
    x = 169,186,415.19/14,650.64
  6. Step 6: Final answer
    x = 11,548.06

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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.