Home / 14,720.94-22,057.15-8,486.21

Finding the Fourth Proportional to 14,720.94, 22,057.15 and 8,486.21

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Solution

The fourth proportional to 14,720.94, 22,057.15 and 8,486.21 is: 12,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.94 : 22,057.15 = 8,486.21 : x
  2. Step 2: Convert to fraction form
    14,720.94/22,057.15 = 8,486.21/x
  3. Step 3: Cross multiply
    14,720.94x = 22,057.15 × 8,486.21
  4. Step 4: Simplify right side
    14,720.94x = 187,181,606.90
  5. Step 5: Solve for x
    x = 187,181,606.90/14,720.94
  6. Step 6: Final answer
    x = 12,715.33

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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.