Home / 12,256.84-18,369.10-4,857.26

Finding the Fourth Proportional to 12,256.84, 18,369.10 and 4,857.26

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Solution

The fourth proportional to 12,256.84, 18,369.10 and 4,857.26 is: 7,279.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.84 : 18,369.10 = 4,857.26 : x
  2. Step 2: Convert to fraction form
    12,256.84/18,369.10 = 4,857.26/x
  3. Step 3: Cross multiply
    12,256.84x = 18,369.10 × 4,857.26
  4. Step 4: Simplify right side
    12,256.84x = 89,223,512.22
  5. Step 5: Solve for x
    x = 89,223,512.22/12,256.84
  6. Step 6: Final answer
    x = 7,279.49

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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.