Home / 21,496.29-32,206.30-8,988.75

Finding the Fourth Proportional to 21,496.29, 32,206.30 and 8,988.75

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Solution

The fourth proportional to 21,496.29, 32,206.30 and 8,988.75 is: 13,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.29 : 32,206.30 = 8,988.75 : x
  2. Step 2: Convert to fraction form
    21,496.29/32,206.30 = 8,988.75/x
  3. Step 3: Cross multiply
    21,496.29x = 32,206.30 × 8,988.75
  4. Step 4: Simplify right side
    21,496.29x = 289,494,379.13
  5. Step 5: Solve for x
    x = 289,494,379.13/21,496.29
  6. Step 6: Final answer
    x = 13,467.18

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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.