Home / 13,342.32-18,412.13-7,373.86

Finding the Fourth Proportional to 13,342.32, 18,412.13 and 7,373.86

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Solution

The fourth proportional to 13,342.32, 18,412.13 and 7,373.86 is: 10,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.32 : 18,412.13 = 7,373.86 : x
  2. Step 2: Convert to fraction form
    13,342.32/18,412.13 = 7,373.86/x
  3. Step 3: Cross multiply
    13,342.32x = 18,412.13 × 7,373.86
  4. Step 4: Simplify right side
    13,342.32x = 135,768,441.33
  5. Step 5: Solve for x
    x = 135,768,441.33/13,342.32
  6. Step 6: Final answer
    x = 10,175.77

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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.