Home / 10,227.40-14,109.19-6,447.94

Finding the Fourth Proportional to 10,227.40, 14,109.19 and 6,447.94

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Solution

The fourth proportional to 10,227.40, 14,109.19 and 6,447.94 is: 8,895.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.40 : 14,109.19 = 6,447.94 : x
  2. Step 2: Convert to fraction form
    10,227.40/14,109.19 = 6,447.94/x
  3. Step 3: Cross multiply
    10,227.40x = 14,109.19 × 6,447.94
  4. Step 4: Simplify right side
    10,227.40x = 90,975,210.57
  5. Step 5: Solve for x
    x = 90,975,210.57/10,227.40
  6. Step 6: Final answer
    x = 8,895.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.