Home / 14,229.45-21,326.23-7,211.23

Finding the Fourth Proportional to 14,229.45, 21,326.23 and 7,211.23

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Solution

The fourth proportional to 14,229.45, 21,326.23 and 7,211.23 is: 10,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.45 : 21,326.23 = 7,211.23 : x
  2. Step 2: Convert to fraction form
    14,229.45/21,326.23 = 7,211.23/x
  3. Step 3: Cross multiply
    14,229.45x = 21,326.23 × 7,211.23
  4. Step 4: Simplify right side
    14,229.45x = 153,788,224.90
  5. Step 5: Solve for x
    x = 153,788,224.90/14,229.45
  6. Step 6: Final answer
    x = 10,807.74

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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.