Home / 10,729.14-14,815.23-8,071.94

Finding the Fourth Proportional to 10,729.14, 14,815.23 and 8,071.94

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Solution

The fourth proportional to 10,729.14, 14,815.23 and 8,071.94 is: 11,146.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.14 : 14,815.23 = 8,071.94 : x
  2. Step 2: Convert to fraction form
    10,729.14/14,815.23 = 8,071.94/x
  3. Step 3: Cross multiply
    10,729.14x = 14,815.23 × 8,071.94
  4. Step 4: Simplify right side
    10,729.14x = 119,587,647.65
  5. Step 5: Solve for x
    x = 119,587,647.65/10,729.14
  6. Step 6: Final answer
    x = 11,146.06

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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.