Home / 14,420.20-21,642.45-5,661.26

Finding the Fourth Proportional to 14,420.20, 21,642.45 and 5,661.26

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Solution

The fourth proportional to 14,420.20, 21,642.45 and 5,661.26 is: 8,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.20 : 21,642.45 = 5,661.26 : x
  2. Step 2: Convert to fraction form
    14,420.20/21,642.45 = 5,661.26/x
  3. Step 3: Cross multiply
    14,420.20x = 21,642.45 × 5,661.26
  4. Step 4: Simplify right side
    14,420.20x = 122,523,536.49
  5. Step 5: Solve for x
    x = 122,523,536.49/14,420.20
  6. Step 6: Final answer
    x = 8,496.66

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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.