Home / 13,103.04-18,082.54-7,134.96

Finding the Fourth Proportional to 13,103.04, 18,082.54 and 7,134.96

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Solution

The fourth proportional to 13,103.04, 18,082.54 and 7,134.96 is: 9,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.04 : 18,082.54 = 7,134.96 : x
  2. Step 2: Convert to fraction form
    13,103.04/18,082.54 = 7,134.96/x
  3. Step 3: Cross multiply
    13,103.04x = 18,082.54 × 7,134.96
  4. Step 4: Simplify right side
    13,103.04x = 129,018,199.60
  5. Step 5: Solve for x
    x = 129,018,199.60/13,103.04
  6. Step 6: Final answer
    x = 9,846.43

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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.