Home / 10,298.46-14,201.21-8,811.30

Finding the Fourth Proportional to 10,298.46, 14,201.21 and 8,811.30

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Solution

The fourth proportional to 10,298.46, 14,201.21 and 8,811.30 is: 12,150.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.46 : 14,201.21 = 8,811.30 : x
  2. Step 2: Convert to fraction form
    10,298.46/14,201.21 = 8,811.30/x
  3. Step 3: Cross multiply
    10,298.46x = 14,201.21 × 8,811.30
  4. Step 4: Simplify right side
    10,298.46x = 125,131,121.67
  5. Step 5: Solve for x
    x = 125,131,121.67/10,298.46
  6. Step 6: Final answer
    x = 12,150.47

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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.