Home / 15,133.08-20,896.86-10,179.48

Finding the Fourth Proportional to 15,133.08, 20,896.86 and 10,179.48

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Solution

The fourth proportional to 15,133.08, 20,896.86 and 10,179.48 is: 14,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.08 : 20,896.86 = 10,179.48 : x
  2. Step 2: Convert to fraction form
    15,133.08/20,896.86 = 10,179.48/x
  3. Step 3: Cross multiply
    15,133.08x = 20,896.86 × 10,179.48
  4. Step 4: Simplify right side
    15,133.08x = 212,719,168.43
  5. Step 5: Solve for x
    x = 212,719,168.43/15,133.08
  6. Step 6: Final answer
    x = 14,056.57

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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.