Home / 14,433.84-21,630.24-6,418.80

Finding the Fourth Proportional to 14,433.84, 21,630.24 and 6,418.80

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Solution

The fourth proportional to 14,433.84, 21,630.24 and 6,418.80 is: 9,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.84 : 21,630.24 = 6,418.80 : x
  2. Step 2: Convert to fraction form
    14,433.84/21,630.24 = 6,418.80/x
  3. Step 3: Cross multiply
    14,433.84x = 21,630.24 × 6,418.80
  4. Step 4: Simplify right side
    14,433.84x = 138,840,184.51
  5. Step 5: Solve for x
    x = 138,840,184.51/14,433.84
  6. Step 6: Final answer
    x = 9,619.07

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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.