Home / 21,984.14-32,984.86-9,663.50

Finding the Fourth Proportional to 21,984.14, 32,984.86 and 9,663.50

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Solution

The fourth proportional to 21,984.14, 32,984.86 and 9,663.50 is: 14,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.14 : 32,984.86 = 9,663.50 : x
  2. Step 2: Convert to fraction form
    21,984.14/32,984.86 = 9,663.50/x
  3. Step 3: Cross multiply
    21,984.14x = 32,984.86 × 9,663.50
  4. Step 4: Simplify right side
    21,984.14x = 318,749,194.61
  5. Step 5: Solve for x
    x = 318,749,194.61/21,984.14
  6. Step 6: Final answer
    x = 14,499.05

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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.