Home / 21,899.54-32,845.98-7,109.66

Finding the Fourth Proportional to 21,899.54, 32,845.98 and 7,109.66

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Solution

The fourth proportional to 21,899.54, 32,845.98 and 7,109.66 is: 10,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.54 : 32,845.98 = 7,109.66 : x
  2. Step 2: Convert to fraction form
    21,899.54/32,845.98 = 7,109.66/x
  3. Step 3: Cross multiply
    21,899.54x = 32,845.98 × 7,109.66
  4. Step 4: Simplify right side
    21,899.54x = 233,523,750.17
  5. Step 5: Solve for x
    x = 233,523,750.17/21,899.54
  6. Step 6: Final answer
    x = 10,663.41

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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.