Home / 14,004.28-21,004.26-6,211.72

Finding the Fourth Proportional to 14,004.28, 21,004.26 and 6,211.72

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Solution

The fourth proportional to 14,004.28, 21,004.26 and 6,211.72 is: 9,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.28 : 21,004.26 = 6,211.72 : x
  2. Step 2: Convert to fraction form
    14,004.28/21,004.26 = 6,211.72/x
  3. Step 3: Cross multiply
    14,004.28x = 21,004.26 × 6,211.72
  4. Step 4: Simplify right side
    14,004.28x = 130,472,581.93
  5. Step 5: Solve for x
    x = 130,472,581.93/14,004.28
  6. Step 6: Final answer
    x = 9,316.62

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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.