Home / 13,835.12-19,091.80-7,547.12

Finding the Fourth Proportional to 13,835.12, 19,091.80 and 7,547.12

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Solution

The fourth proportional to 13,835.12, 19,091.80 and 7,547.12 is: 10,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.12 : 19,091.80 = 7,547.12 : x
  2. Step 2: Convert to fraction form
    13,835.12/19,091.80 = 7,547.12/x
  3. Step 3: Cross multiply
    13,835.12x = 19,091.80 × 7,547.12
  4. Step 4: Simplify right side
    13,835.12x = 144,088,105.62
  5. Step 5: Solve for x
    x = 144,088,105.62/13,835.12
  6. Step 6: Final answer
    x = 10,414.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.