Home / 14,175.12-19,561.68-7,888.08

Finding the Fourth Proportional to 14,175.12, 19,561.68 and 7,888.08

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Solution

The fourth proportional to 14,175.12, 19,561.68 and 7,888.08 is: 10,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.12 : 19,561.68 = 7,888.08 : x
  2. Step 2: Convert to fraction form
    14,175.12/19,561.68 = 7,888.08/x
  3. Step 3: Cross multiply
    14,175.12x = 19,561.68 × 7,888.08
  4. Step 4: Simplify right side
    14,175.12x = 154,304,096.77
  5. Step 5: Solve for x
    x = 154,304,096.77/14,175.12
  6. Step 6: Final answer
    x = 10,885.56

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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.