Home / 21,000.06-31,505.22-6,208.38

Finding the Fourth Proportional to 21,000.06, 31,505.22 and 6,208.38

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Solution

The fourth proportional to 21,000.06, 31,505.22 and 6,208.38 is: 9,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000.06 : 31,505.22 = 6,208.38 : x
  2. Step 2: Convert to fraction form
    21,000.06/31,505.22 = 6,208.38/x
  3. Step 3: Cross multiply
    21,000.06x = 31,505.22 × 6,208.38
  4. Step 4: Simplify right side
    21,000.06x = 195,596,377.74
  5. Step 5: Solve for x
    x = 195,596,377.74/21,000.06
  6. Step 6: Final answer
    x = 9,314.09

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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.