Home / 14,577.45-20,116.04-8,204.30

Finding the Fourth Proportional to 14,577.45, 20,116.04 and 8,204.30

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Solution

The fourth proportional to 14,577.45, 20,116.04 and 8,204.30 is: 11,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.45 : 20,116.04 = 8,204.30 : x
  2. Step 2: Convert to fraction form
    14,577.45/20,116.04 = 8,204.30/x
  3. Step 3: Cross multiply
    14,577.45x = 20,116.04 × 8,204.30
  4. Step 4: Simplify right side
    14,577.45x = 165,038,133.17
  5. Step 5: Solve for x
    x = 165,038,133.17/14,577.45
  6. Step 6: Final answer
    x = 11,321.47

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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.