Home / 14,615.84-21,918.56-4,225.44

Finding the Fourth Proportional to 14,615.84, 21,918.56 and 4,225.44

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Solution

The fourth proportional to 14,615.84, 21,918.56 and 4,225.44 is: 6,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.84 : 21,918.56 = 4,225.44 : x
  2. Step 2: Convert to fraction form
    14,615.84/21,918.56 = 4,225.44/x
  3. Step 3: Cross multiply
    14,615.84x = 21,918.56 × 4,225.44
  4. Step 4: Simplify right side
    14,615.84x = 92,615,560.17
  5. Step 5: Solve for x
    x = 92,615,560.17/14,615.84
  6. Step 6: Final answer
    x = 6,336.66

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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.