Home / 13,090.74-19,594.80-8,404.49

Finding the Fourth Proportional to 13,090.74, 19,594.80 and 8,404.49

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Solution

The fourth proportional to 13,090.74, 19,594.80 and 8,404.49 is: 12,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.74 : 19,594.80 = 8,404.49 : x
  2. Step 2: Convert to fraction form
    13,090.74/19,594.80 = 8,404.49/x
  3. Step 3: Cross multiply
    13,090.74x = 19,594.80 × 8,404.49
  4. Step 4: Simplify right side
    13,090.74x = 164,684,202.68
  5. Step 5: Solve for x
    x = 164,684,202.68/13,090.74
  6. Step 6: Final answer
    x = 12,580.21

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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.