Home / 11,373.04-17,078.12-7,018.20

Finding the Fourth Proportional to 11,373.04, 17,078.12 and 7,018.20

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Solution

The fourth proportional to 11,373.04, 17,078.12 and 7,018.20 is: 10,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.04 : 17,078.12 = 7,018.20 : x
  2. Step 2: Convert to fraction form
    11,373.04/17,078.12 = 7,018.20/x
  3. Step 3: Cross multiply
    11,373.04x = 17,078.12 × 7,018.20
  4. Step 4: Simplify right side
    11,373.04x = 119,857,661.78
  5. Step 5: Solve for x
    x = 119,857,661.78/11,373.04
  6. Step 6: Final answer
    x = 10,538.75

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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.