Home / 18,090.58-27,140.09-5,609.95

Finding the Fourth Proportional to 18,090.58, 27,140.09 and 5,609.95

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Solution

The fourth proportional to 18,090.58, 27,140.09 and 5,609.95 is: 8,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.58 : 27,140.09 = 5,609.95 : x
  2. Step 2: Convert to fraction form
    18,090.58/27,140.09 = 5,609.95/x
  3. Step 3: Cross multiply
    18,090.58x = 27,140.09 × 5,609.95
  4. Step 4: Simplify right side
    18,090.58x = 152,254,547.90
  5. Step 5: Solve for x
    x = 152,254,547.90/18,090.58
  6. Step 6: Final answer
    x = 8,416.23

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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.