Home / 21,018.33-31,533.55-6,227.53

Finding the Fourth Proportional to 21,018.33, 31,533.55 and 6,227.53

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Solution

The fourth proportional to 21,018.33, 31,533.55 and 6,227.53 is: 9,343.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018.33 : 31,533.55 = 6,227.53 : x
  2. Step 2: Convert to fraction form
    21,018.33/31,533.55 = 6,227.53/x
  3. Step 3: Cross multiply
    21,018.33x = 31,533.55 × 6,227.53
  4. Step 4: Simplify right side
    21,018.33x = 196,376,034.23
  5. Step 5: Solve for x
    x = 196,376,034.23/21,018.33
  6. Step 6: Final answer
    x = 9,343.08

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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.