Home / 14,147.43-21,223.38-4,656.78

Finding the Fourth Proportional to 14,147.43, 21,223.38 and 4,656.78

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Solution

The fourth proportional to 14,147.43, 21,223.38 and 4,656.78 is: 6,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.43 : 21,223.38 = 4,656.78 : x
  2. Step 2: Convert to fraction form
    14,147.43/21,223.38 = 4,656.78/x
  3. Step 3: Cross multiply
    14,147.43x = 21,223.38 × 4,656.78
  4. Step 4: Simplify right side
    14,147.43x = 98,832,611.52
  5. Step 5: Solve for x
    x = 98,832,611.52/14,147.43
  6. Step 6: Final answer
    x = 6,985.91

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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.