Home / 21,346.71-32,021.60-8,199.08

Finding the Fourth Proportional to 21,346.71, 32,021.60 and 8,199.08

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Solution

The fourth proportional to 21,346.71, 32,021.60 and 8,199.08 is: 12,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,346.71 : 32,021.60 = 8,199.08 : x
  2. Step 2: Convert to fraction form
    21,346.71/32,021.60 = 8,199.08/x
  3. Step 3: Cross multiply
    21,346.71x = 32,021.60 × 8,199.08
  4. Step 4: Simplify right side
    21,346.71x = 262,547,760.68
  5. Step 5: Solve for x
    x = 262,547,760.68/21,346.71
  6. Step 6: Final answer
    x = 12,299.21

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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.