Home / 21,369.69-32,047.25-8,226.63

Finding the Fourth Proportional to 21,369.69, 32,047.25 and 8,226.63

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Solution

The fourth proportional to 21,369.69, 32,047.25 and 8,226.63 is: 12,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,369.69 : 32,047.25 = 8,226.63 : x
  2. Step 2: Convert to fraction form
    21,369.69/32,047.25 = 8,226.63/x
  3. Step 3: Cross multiply
    21,369.69x = 32,047.25 × 8,226.63
  4. Step 4: Simplify right side
    21,369.69x = 263,640,827.13
  5. Step 5: Solve for x
    x = 263,640,827.13/21,369.69
  6. Step 6: Final answer
    x = 12,337.14

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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.