Home / 21,971.28-32,951.69-9,484.47

Finding the Fourth Proportional to 21,971.28, 32,951.69 and 9,484.47

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Solution

The fourth proportional to 21,971.28, 32,951.69 and 9,484.47 is: 14,224.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,971.28 : 32,951.69 = 9,484.47 : x
  2. Step 2: Convert to fraction form
    21,971.28/32,951.69 = 9,484.47/x
  3. Step 3: Cross multiply
    21,971.28x = 32,951.69 × 9,484.47
  4. Step 4: Simplify right side
    21,971.28x = 312,529,184.05
  5. Step 5: Solve for x
    x = 312,529,184.05/21,971.28
  6. Step 6: Final answer
    x = 14,224.44

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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.