Home / 13,895.04-19,175.12-8,306.08

Finding the Fourth Proportional to 13,895.04, 19,175.12 and 8,306.08

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Solution

The fourth proportional to 13,895.04, 19,175.12 and 8,306.08 is: 11,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.04 : 19,175.12 = 8,306.08 : x
  2. Step 2: Convert to fraction form
    13,895.04/19,175.12 = 8,306.08/x
  3. Step 3: Cross multiply
    13,895.04x = 19,175.12 × 8,306.08
  4. Step 4: Simplify right side
    13,895.04x = 159,270,080.73
  5. Step 5: Solve for x
    x = 159,270,080.73/13,895.04
  6. Step 6: Final answer
    x = 11,462.37

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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.