Home / 10,910.08-15,054.27-6,129.11

Finding the Fourth Proportional to 10,910.08, 15,054.27 and 6,129.11

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Solution

The fourth proportional to 10,910.08, 15,054.27 and 6,129.11 is: 8,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.08 : 15,054.27 = 6,129.11 : x
  2. Step 2: Convert to fraction form
    10,910.08/15,054.27 = 6,129.11/x
  3. Step 3: Cross multiply
    10,910.08x = 15,054.27 × 6,129.11
  4. Step 4: Simplify right side
    10,910.08x = 92,269,276.80
  5. Step 5: Solve for x
    x = 92,269,276.80/10,910.08
  6. Step 6: Final answer
    x = 8,457.25

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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.