Home / 14,211.75-21,301.02-8,372.46

Finding the Fourth Proportional to 14,211.75, 21,301.02 and 8,372.46

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Solution

The fourth proportional to 14,211.75, 21,301.02 and 8,372.46 is: 12,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.75 : 21,301.02 = 8,372.46 : x
  2. Step 2: Convert to fraction form
    14,211.75/21,301.02 = 8,372.46/x
  3. Step 3: Cross multiply
    14,211.75x = 21,301.02 × 8,372.46
  4. Step 4: Simplify right side
    14,211.75x = 178,341,937.91
  5. Step 5: Solve for x
    x = 178,341,937.91/14,211.75
  6. Step 6: Final answer
    x = 12,548.91

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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.