Home / 21,403.70-32,104.95-9,716.90

Finding the Fourth Proportional to 21,403.70, 32,104.95 and 9,716.90

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Solution

The fourth proportional to 21,403.70, 32,104.95 and 9,716.90 is: 14,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.70 : 32,104.95 = 9,716.90 : x
  2. Step 2: Convert to fraction form
    21,403.70/32,104.95 = 9,716.90/x
  3. Step 3: Cross multiply
    21,403.70x = 32,104.95 × 9,716.90
  4. Step 4: Simplify right side
    21,403.70x = 311,960,588.66
  5. Step 5: Solve for x
    x = 311,960,588.66/21,403.70
  6. Step 6: Final answer
    x = 14,575.08

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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.