Home / 10,257.03-14,147.16-7,739.25

Finding the Fourth Proportional to 10,257.03, 14,147.16 and 7,739.25

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Solution

The fourth proportional to 10,257.03, 14,147.16 and 7,739.25 is: 10,674.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.03 : 14,147.16 = 7,739.25 : x
  2. Step 2: Convert to fraction form
    10,257.03/14,147.16 = 7,739.25/x
  3. Step 3: Cross multiply
    10,257.03x = 14,147.16 × 7,739.25
  4. Step 4: Simplify right side
    10,257.03x = 109,488,325.96
  5. Step 5: Solve for x
    x = 109,488,325.96/10,257.03
  6. Step 6: Final answer
    x = 10,674.47

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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.