Home / 21,578.06-32,364.34-9,103.04

Finding the Fourth Proportional to 21,578.06, 32,364.34 and 9,103.04

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Solution

The fourth proportional to 21,578.06, 32,364.34 and 9,103.04 is: 13,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,578.06 : 32,364.34 = 9,103.04 : x
  2. Step 2: Convert to fraction form
    21,578.06/32,364.34 = 9,103.04/x
  3. Step 3: Cross multiply
    21,578.06x = 32,364.34 × 9,103.04
  4. Step 4: Simplify right side
    21,578.06x = 294,613,697.01
  5. Step 5: Solve for x
    x = 294,613,697.01/21,578.06
  6. Step 6: Final answer
    x = 13,653.39

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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.