Home / 20,747.04-31,108.95-14,181.18

Finding the Fourth Proportional to 20,747.04, 31,108.95 and 14,181.18

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Solution

The fourth proportional to 20,747.04, 31,108.95 and 14,181.18 is: 21,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.04 : 31,108.95 = 14,181.18 : x
  2. Step 2: Convert to fraction form
    20,747.04/31,108.95 = 14,181.18/x
  3. Step 3: Cross multiply
    20,747.04x = 31,108.95 × 14,181.18
  4. Step 4: Simplify right side
    20,747.04x = 441,161,619.56
  5. Step 5: Solve for x
    x = 441,161,619.56/20,747.04
  6. Step 6: Final answer
    x = 21,263.83

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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.