Home / 13,262.94-18,302.40-7,294.05

Finding the Fourth Proportional to 13,262.94, 18,302.40 and 7,294.05

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Solution

The fourth proportional to 13,262.94, 18,302.40 and 7,294.05 is: 10,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.94 : 18,302.40 = 7,294.05 : x
  2. Step 2: Convert to fraction form
    13,262.94/18,302.40 = 7,294.05/x
  3. Step 3: Cross multiply
    13,262.94x = 18,302.40 × 7,294.05
  4. Step 4: Simplify right side
    13,262.94x = 133,498,620.72
  5. Step 5: Solve for x
    x = 133,498,620.72/13,262.94
  6. Step 6: Final answer
    x = 10,065.54

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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.