Home / 21,556.48-32,334.72-9,834.88

Finding the Fourth Proportional to 21,556.48, 32,334.72 and 9,834.88

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Solution

The fourth proportional to 21,556.48, 32,334.72 and 9,834.88 is: 14,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.48 : 32,334.72 = 9,834.88 : x
  2. Step 2: Convert to fraction form
    21,556.48/32,334.72 = 9,834.88/x
  3. Step 3: Cross multiply
    21,556.48x = 32,334.72 × 9,834.88
  4. Step 4: Simplify right side
    21,556.48x = 318,008,091.03
  5. Step 5: Solve for x
    x = 318,008,091.03/21,556.48
  6. Step 6: Final answer
    x = 14,752.32

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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.