Home / 21,357.68-32,036.28-9,662.80

Finding the Fourth Proportional to 21,357.68, 32,036.28 and 9,662.80

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Solution

The fourth proportional to 21,357.68, 32,036.28 and 9,662.80 is: 14,494.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.68 : 32,036.28 = 9,662.80 : x
  2. Step 2: Convert to fraction form
    21,357.68/32,036.28 = 9,662.80/x
  3. Step 3: Cross multiply
    21,357.68x = 32,036.28 × 9,662.80
  4. Step 4: Simplify right side
    21,357.68x = 309,560,166.38
  5. Step 5: Solve for x
    x = 309,560,166.38/21,357.68
  6. Step 6: Final answer
    x = 14,494.09

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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.