Home / 12,320.93-17,003.16-7,015.97

Finding the Fourth Proportional to 12,320.93, 17,003.16 and 7,015.97

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Solution

The fourth proportional to 12,320.93, 17,003.16 and 7,015.97 is: 9,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320.93 : 17,003.16 = 7,015.97 : x
  2. Step 2: Convert to fraction form
    12,320.93/17,003.16 = 7,015.97/x
  3. Step 3: Cross multiply
    12,320.93x = 17,003.16 × 7,015.97
  4. Step 4: Simplify right side
    12,320.93x = 119,293,575.45
  5. Step 5: Solve for x
    x = 119,293,575.45/12,320.93
  6. Step 6: Final answer
    x = 9,682.19

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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.