Home / 21,899.36-32,849.76-6,317.12

Finding the Fourth Proportional to 21,899.36, 32,849.76 and 6,317.12

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Solution

The fourth proportional to 21,899.36, 32,849.76 and 6,317.12 is: 9,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.36 : 32,849.76 = 6,317.12 : x
  2. Step 2: Convert to fraction form
    21,899.36/32,849.76 = 6,317.12/x
  3. Step 3: Cross multiply
    21,899.36x = 32,849.76 × 6,317.12
  4. Step 4: Simplify right side
    21,899.36x = 207,515,875.89
  5. Step 5: Solve for x
    x = 207,515,875.89/21,899.36
  6. Step 6: Final answer
    x = 9,475.89

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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.