Home / 13,018.07-17,964.95-7,049.75

Finding the Fourth Proportional to 13,018.07, 17,964.95 and 7,049.75

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Solution

The fourth proportional to 13,018.07, 17,964.95 and 7,049.75 is: 9,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.07 : 17,964.95 = 7,049.75 : x
  2. Step 2: Convert to fraction form
    13,018.07/17,964.95 = 7,049.75/x
  3. Step 3: Cross multiply
    13,018.07x = 17,964.95 × 7,049.75
  4. Step 4: Simplify right side
    13,018.07x = 126,648,316.44
  5. Step 5: Solve for x
    x = 126,648,316.44/13,018.07
  6. Step 6: Final answer
    x = 9,728.66

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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.