Home / 21,709.06-32,538.45-9,997.67

Finding the Fourth Proportional to 21,709.06, 32,538.45 and 9,997.67

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Solution

The fourth proportional to 21,709.06, 32,538.45 and 9,997.67 is: 14,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,709.06 : 32,538.45 = 9,997.67 : x
  2. Step 2: Convert to fraction form
    21,709.06/32,538.45 = 9,997.67/x
  3. Step 3: Cross multiply
    21,709.06x = 32,538.45 × 9,997.67
  4. Step 4: Simplify right side
    21,709.06x = 325,308,685.41
  5. Step 5: Solve for x
    x = 325,308,685.41/21,709.06
  6. Step 6: Final answer
    x = 14,984.93

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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.