Home / 13,104.15-18,082.35-7,798.26

Finding the Fourth Proportional to 13,104.15, 18,082.35 and 7,798.26

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Solution

The fourth proportional to 13,104.15, 18,082.35 and 7,798.26 is: 10,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.15 : 18,082.35 = 7,798.26 : x
  2. Step 2: Convert to fraction form
    13,104.15/18,082.35 = 7,798.26/x
  3. Step 3: Cross multiply
    13,104.15x = 18,082.35 × 7,798.26
  4. Step 4: Simplify right side
    13,104.15x = 141,010,866.71
  5. Step 5: Solve for x
    x = 141,010,866.71/13,104.15
  6. Step 6: Final answer
    x = 10,760.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.