Home / 13,537.84-18,682.08-7,488.34

Finding the Fourth Proportional to 13,537.84, 18,682.08 and 7,488.34

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Solution

The fourth proportional to 13,537.84, 18,682.08 and 7,488.34 is: 10,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.84 : 18,682.08 = 7,488.34 : x
  2. Step 2: Convert to fraction form
    13,537.84/18,682.08 = 7,488.34/x
  3. Step 3: Cross multiply
    13,537.84x = 18,682.08 × 7,488.34
  4. Step 4: Simplify right side
    13,537.84x = 139,897,766.95
  5. Step 5: Solve for x
    x = 139,897,766.95/13,537.84
  6. Step 6: Final answer
    x = 10,333.83

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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.