Home / 14,173.14-19,559.70-7,885.65

Finding the Fourth Proportional to 14,173.14, 19,559.70 and 7,885.65

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Solution

The fourth proportional to 14,173.14, 19,559.70 and 7,885.65 is: 10,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.14 : 19,559.70 = 7,885.65 : x
  2. Step 2: Convert to fraction form
    14,173.14/19,559.70 = 7,885.65/x
  3. Step 3: Cross multiply
    14,173.14x = 19,559.70 × 7,885.65
  4. Step 4: Simplify right side
    14,173.14x = 154,240,948.31
  5. Step 5: Solve for x
    x = 154,240,948.31/14,173.14
  6. Step 6: Final answer
    x = 10,882.62

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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.