Home / 13,235.98-18,262.10-7,853.95

Finding the Fourth Proportional to 13,235.98, 18,262.10 and 7,853.95

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Solution

The fourth proportional to 13,235.98, 18,262.10 and 7,853.95 is: 10,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.98 : 18,262.10 = 7,853.95 : x
  2. Step 2: Convert to fraction form
    13,235.98/18,262.10 = 7,853.95/x
  3. Step 3: Cross multiply
    13,235.98x = 18,262.10 × 7,853.95
  4. Step 4: Simplify right side
    13,235.98x = 143,429,581.85
  5. Step 5: Solve for x
    x = 143,429,581.85/13,235.98
  6. Step 6: Final answer
    x = 10,836.34

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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.