Home / 13,017.08-17,960.46-7,351.94

Finding the Fourth Proportional to 13,017.08, 17,960.46 and 7,351.94

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Solution

The fourth proportional to 13,017.08, 17,960.46 and 7,351.94 is: 10,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.08 : 17,960.46 = 7,351.94 : x
  2. Step 2: Convert to fraction form
    13,017.08/17,960.46 = 7,351.94/x
  3. Step 3: Cross multiply
    13,017.08x = 17,960.46 × 7,351.94
  4. Step 4: Simplify right side
    13,017.08x = 132,044,224.29
  5. Step 5: Solve for x
    x = 132,044,224.29/13,017.08
  6. Step 6: Final answer
    x = 10,143.92

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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.