Home / 21,273.93-31,915.66-6,484.01

Finding the Fourth Proportional to 21,273.93, 31,915.66 and 6,484.01

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Solution

The fourth proportional to 21,273.93, 31,915.66 and 6,484.01 is: 9,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.93 : 31,915.66 = 6,484.01 : x
  2. Step 2: Convert to fraction form
    21,273.93/31,915.66 = 6,484.01/x
  3. Step 3: Cross multiply
    21,273.93x = 31,915.66 × 6,484.01
  4. Step 4: Simplify right side
    21,273.93x = 206,941,282.81
  5. Step 5: Solve for x
    x = 206,941,282.81/21,273.93
  6. Step 6: Final answer
    x = 9,727.46

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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.