Home / 21,384.03-32,053.35-8,230.71

Finding the Fourth Proportional to 21,384.03, 32,053.35 and 8,230.71

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Solution

The fourth proportional to 21,384.03, 32,053.35 and 8,230.71 is: 12,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384.03 : 32,053.35 = 8,230.71 : x
  2. Step 2: Convert to fraction form
    21,384.03/32,053.35 = 8,230.71/x
  3. Step 3: Cross multiply
    21,384.03x = 32,053.35 × 8,230.71
  4. Step 4: Simplify right side
    21,384.03x = 263,821,828.38
  5. Step 5: Solve for x
    x = 263,821,828.38/21,384.03
  6. Step 6: Final answer
    x = 12,337.33

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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.