Home / 13,837.84-19,103.28-9,385.12

Finding the Fourth Proportional to 13,837.84, 19,103.28 and 9,385.12

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Solution

The fourth proportional to 13,837.84, 19,103.28 and 9,385.12 is: 12,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.84 : 19,103.28 = 9,385.12 : x
  2. Step 2: Convert to fraction form
    13,837.84/19,103.28 = 9,385.12/x
  3. Step 3: Cross multiply
    13,837.84x = 19,103.28 × 9,385.12
  4. Step 4: Simplify right side
    13,837.84x = 179,286,575.19
  5. Step 5: Solve for x
    x = 179,286,575.19/13,837.84
  6. Step 6: Final answer
    x = 12,956.25

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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.