Home / 10,908.93-15,054.39-6,129.08

Finding the Fourth Proportional to 10,908.93, 15,054.39 and 6,129.08

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Solution

The fourth proportional to 10,908.93, 15,054.39 and 6,129.08 is: 8,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.93 : 15,054.39 = 6,129.08 : x
  2. Step 2: Convert to fraction form
    10,908.93/15,054.39 = 6,129.08/x
  3. Step 3: Cross multiply
    10,908.93x = 15,054.39 × 6,129.08
  4. Step 4: Simplify right side
    10,908.93x = 92,269,541.84
  5. Step 5: Solve for x
    x = 92,269,541.84/10,908.93
  6. Step 6: Final answer
    x = 8,458.16

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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.