Home / 14,070.11-21,108.11-5,304.96

Finding the Fourth Proportional to 14,070.11, 21,108.11 and 5,304.96

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Solution

The fourth proportional to 14,070.11, 21,108.11 and 5,304.96 is: 7,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.11 : 21,108.11 = 5,304.96 : x
  2. Step 2: Convert to fraction form
    14,070.11/21,108.11 = 5,304.96/x
  3. Step 3: Cross multiply
    14,070.11x = 21,108.11 × 5,304.96
  4. Step 4: Simplify right side
    14,070.11x = 111,977,652.70
  5. Step 5: Solve for x
    x = 111,977,652.70/14,070.11
  6. Step 6: Final answer
    x = 7,958.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.