Home / 18,090.86-27,141.15-6,412.34

Finding the Fourth Proportional to 18,090.86, 27,141.15 and 6,412.34

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Solution

The fourth proportional to 18,090.86, 27,141.15 and 6,412.34 is: 9,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.86 : 27,141.15 = 6,412.34 : x
  2. Step 2: Convert to fraction form
    18,090.86/27,141.15 = 6,412.34/x
  3. Step 3: Cross multiply
    18,090.86x = 27,141.15 × 6,412.34
  4. Step 4: Simplify right side
    18,090.86x = 174,038,281.79
  5. Step 5: Solve for x
    x = 174,038,281.79/18,090.86
  6. Step 6: Final answer
    x = 9,620.23

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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.