Home / 13,434.42-18,536.66-7,464.86

Finding the Fourth Proportional to 13,434.42, 18,536.66 and 7,464.86

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Solution

The fourth proportional to 13,434.42, 18,536.66 and 7,464.86 is: 10,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.42 : 18,536.66 = 7,464.86 : x
  2. Step 2: Convert to fraction form
    13,434.42/18,536.66 = 7,464.86/x
  3. Step 3: Cross multiply
    13,434.42x = 18,536.66 × 7,464.86
  4. Step 4: Simplify right side
    13,434.42x = 138,373,571.77
  5. Step 5: Solve for x
    x = 138,373,571.77/13,434.42
  6. Step 6: Final answer
    x = 10,299.93

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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.