Home / 18,305.23-27,457.15-5,157.25

Finding the Fourth Proportional to 18,305.23, 27,457.15 and 5,157.25

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Solution

The fourth proportional to 18,305.23, 27,457.15 and 5,157.25 is: 7,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,305.23 : 27,457.15 = 5,157.25 : x
  2. Step 2: Convert to fraction form
    18,305.23/27,457.15 = 5,157.25/x
  3. Step 3: Cross multiply
    18,305.23x = 27,457.15 × 5,157.25
  4. Step 4: Simplify right side
    18,305.23x = 141,603,386.84
  5. Step 5: Solve for x
    x = 141,603,386.84/18,305.23
  6. Step 6: Final answer
    x = 7,735.68

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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.