Home / 21,001.38-31,494.66-6,206.34

Finding the Fourth Proportional to 21,001.38, 31,494.66 and 6,206.34

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Solution

The fourth proportional to 21,001.38, 31,494.66 and 6,206.34 is: 9,307.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,001.38 : 31,494.66 = 6,206.34 : x
  2. Step 2: Convert to fraction form
    21,001.38/31,494.66 = 6,206.34/x
  3. Step 3: Cross multiply
    21,001.38x = 31,494.66 × 6,206.34
  4. Step 4: Simplify right side
    21,001.38x = 195,466,568.14
  5. Step 5: Solve for x
    x = 195,466,568.14/21,001.38
  6. Step 6: Final answer
    x = 9,307.32

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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.