Home / 21,749.36-32,618.71-6,955.21

Finding the Fourth Proportional to 21,749.36, 32,618.71 and 6,955.21

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Solution

The fourth proportional to 21,749.36, 32,618.71 and 6,955.21 is: 10,431.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.36 : 32,618.71 = 6,955.21 : x
  2. Step 2: Convert to fraction form
    21,749.36/32,618.71 = 6,955.21/x
  3. Step 3: Cross multiply
    21,749.36x = 32,618.71 × 6,955.21
  4. Step 4: Simplify right side
    21,749.36x = 226,869,879.04
  5. Step 5: Solve for x
    x = 226,869,879.04/21,749.36
  6. Step 6: Final answer
    x = 10,431.11

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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.