Home / 13,240.94-18,271.14-7,935.62

Finding the Fourth Proportional to 13,240.94, 18,271.14 and 7,935.62

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Solution

The fourth proportional to 13,240.94, 18,271.14 and 7,935.62 is: 10,950.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.94 : 18,271.14 = 7,935.62 : x
  2. Step 2: Convert to fraction form
    13,240.94/18,271.14 = 7,935.62/x
  3. Step 3: Cross multiply
    13,240.94x = 18,271.14 × 7,935.62
  4. Step 4: Simplify right side
    13,240.94x = 144,992,824.01
  5. Step 5: Solve for x
    x = 144,992,824.01/13,240.94
  6. Step 6: Final answer
    x = 10,950.34

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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.