Home / 21,386.33-32,079.90-7,346.27

Finding the Fourth Proportional to 21,386.33, 32,079.90 and 7,346.27

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Solution

The fourth proportional to 21,386.33, 32,079.90 and 7,346.27 is: 11,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386.33 : 32,079.90 = 7,346.27 : x
  2. Step 2: Convert to fraction form
    21,386.33/32,079.90 = 7,346.27/x
  3. Step 3: Cross multiply
    21,386.33x = 32,079.90 × 7,346.27
  4. Step 4: Simplify right side
    21,386.33x = 235,667,606.97
  5. Step 5: Solve for x
    x = 235,667,606.97/21,386.33
  6. Step 6: Final answer
    x = 11,019.54

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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.