Home / 9,379.26-14,069.16-5,428.08

Finding the Fourth Proportional to 9,379.26, 14,069.16 and 5,428.08

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Solution

The fourth proportional to 9,379.26, 14,069.16 and 5,428.08 is: 8,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.26 : 14,069.16 = 5,428.08 : x
  2. Step 2: Convert to fraction form
    9,379.26/14,069.16 = 5,428.08/x
  3. Step 3: Cross multiply
    9,379.26x = 14,069.16 × 5,428.08
  4. Step 4: Simplify right side
    9,379.26x = 76,368,526.01
  5. Step 5: Solve for x
    x = 76,368,526.01/9,379.26
  6. Step 6: Final answer
    x = 8,142.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.