Home / 10,403.28-14,356.50-6,211.56

Finding the Fourth Proportional to 10,403.28, 14,356.50 and 6,211.56

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Solution

The fourth proportional to 10,403.28, 14,356.50 and 6,211.56 is: 8,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.28 : 14,356.50 = 6,211.56 : x
  2. Step 2: Convert to fraction form
    10,403.28/14,356.50 = 6,211.56/x
  3. Step 3: Cross multiply
    10,403.28x = 14,356.50 × 6,211.56
  4. Step 4: Simplify right side
    10,403.28x = 89,176,261.14
  5. Step 5: Solve for x
    x = 89,176,261.14/10,403.28
  6. Step 6: Final answer
    x = 8,571.94

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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.