Home / 15,186.24-20,957.03-8,814.08

Finding the Fourth Proportional to 15,186.24, 20,957.03 and 8,814.08

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Solution

The fourth proportional to 15,186.24, 20,957.03 and 8,814.08 is: 12,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.24 : 20,957.03 = 8,814.08 : x
  2. Step 2: Convert to fraction form
    15,186.24/20,957.03 = 8,814.08/x
  3. Step 3: Cross multiply
    15,186.24x = 20,957.03 × 8,814.08
  4. Step 4: Simplify right side
    15,186.24x = 184,716,856.23
  5. Step 5: Solve for x
    x = 184,716,856.23/15,186.24
  6. Step 6: Final answer
    x = 12,163.44

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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.