Home / 20,983.04-31,463.70-6,190.06

Finding the Fourth Proportional to 20,983.04, 31,463.70 and 6,190.06

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Solution

The fourth proportional to 20,983.04, 31,463.70 and 6,190.06 is: 9,281.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,983.04 : 31,463.70 = 6,190.06 : x
  2. Step 2: Convert to fraction form
    20,983.04/31,463.70 = 6,190.06/x
  3. Step 3: Cross multiply
    20,983.04x = 31,463.70 × 6,190.06
  4. Step 4: Simplify right side
    20,983.04x = 194,762,190.82
  5. Step 5: Solve for x
    x = 194,762,190.82/20,983.04
  6. Step 6: Final answer
    x = 9,281.89

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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.