Home / 21,519.35-32,277.77-9,670.07

Finding the Fourth Proportional to 21,519.35, 32,277.77 and 9,670.07

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Solution

The fourth proportional to 21,519.35, 32,277.77 and 9,670.07 is: 14,504.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.35 : 32,277.77 = 9,670.07 : x
  2. Step 2: Convert to fraction form
    21,519.35/32,277.77 = 9,670.07/x
  3. Step 3: Cross multiply
    21,519.35x = 32,277.77 × 9,670.07
  4. Step 4: Simplify right side
    21,519.35x = 312,128,133.96
  5. Step 5: Solve for x
    x = 312,128,133.96/21,519.35
  6. Step 6: Final answer
    x = 14,504.53

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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.