Home / 20,770.04-31,132.02-9,803

Finding the Fourth Proportional to 20,770.04, 31,132.02 and 9,803

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Solution

The fourth proportional to 20,770.04, 31,132.02 and 9,803 is: 14,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,770.04 : 31,132.02 = 9,803 : x
  2. Step 2: Convert to fraction form
    20,770.04/31,132.02 = 9,803/x
  3. Step 3: Cross multiply
    20,770.04x = 31,132.02 × 9,803
  4. Step 4: Simplify right side
    20,770.04x = 305,187,192.06
  5. Step 5: Solve for x
    x = 305,187,192.06/20,770.04
  6. Step 6: Final answer
    x = 14,693.63

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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.