Home / 18,265.09-27,397.91-5,116.63

Finding the Fourth Proportional to 18,265.09, 27,397.91 and 5,116.63

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Solution

The fourth proportional to 18,265.09, 27,397.91 and 5,116.63 is: 7,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.09 : 27,397.91 = 5,116.63 : x
  2. Step 2: Convert to fraction form
    18,265.09/27,397.91 = 5,116.63/x
  3. Step 3: Cross multiply
    18,265.09x = 27,397.91 × 5,116.63
  4. Step 4: Simplify right side
    18,265.09x = 140,184,969.38
  5. Step 5: Solve for x
    x = 140,184,969.38/18,265.09
  6. Step 6: Final answer
    x = 7,675.02

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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.