Home / 13,654.13-18,841.49-7,603.91

Finding the Fourth Proportional to 13,654.13, 18,841.49 and 7,603.91

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Solution

The fourth proportional to 13,654.13, 18,841.49 and 7,603.91 is: 10,492.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.13 : 18,841.49 = 7,603.91 : x
  2. Step 2: Convert to fraction form
    13,654.13/18,841.49 = 7,603.91/x
  3. Step 3: Cross multiply
    13,654.13x = 18,841.49 × 7,603.91
  4. Step 4: Simplify right side
    13,654.13x = 143,269,060.34
  5. Step 5: Solve for x
    x = 143,269,060.34/13,654.13
  6. Step 6: Final answer
    x = 10,492.73

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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.