Home / 21,751.08-32,638.94-9,269.80

Finding the Fourth Proportional to 21,751.08, 32,638.94 and 9,269.80

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Solution

The fourth proportional to 21,751.08, 32,638.94 and 9,269.80 is: 13,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.08 : 32,638.94 = 9,269.80 : x
  2. Step 2: Convert to fraction form
    21,751.08/32,638.94 = 9,269.80/x
  3. Step 3: Cross multiply
    21,751.08x = 32,638.94 × 9,269.80
  4. Step 4: Simplify right side
    21,751.08x = 302,556,446.01
  5. Step 5: Solve for x
    x = 302,556,446.01/21,751.08
  6. Step 6: Final answer
    x = 13,909.95

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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.