Home / 13,190.04-19,785.15-5,398.86

Finding the Fourth Proportional to 13,190.04, 19,785.15 and 5,398.86

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Solution

The fourth proportional to 13,190.04, 19,785.15 and 5,398.86 is: 8,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.04 : 19,785.15 = 5,398.86 : x
  2. Step 2: Convert to fraction form
    13,190.04/19,785.15 = 5,398.86/x
  3. Step 3: Cross multiply
    13,190.04x = 19,785.15 × 5,398.86
  4. Step 4: Simplify right side
    13,190.04x = 106,817,254.93
  5. Step 5: Solve for x
    x = 106,817,254.93/13,190.04
  6. Step 6: Final answer
    x = 8,098.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.