Home / 10,260.09-15,379.16-7,329.51

Finding the Fourth Proportional to 10,260.09, 15,379.16 and 7,329.51

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Solution

The fourth proportional to 10,260.09, 15,379.16 and 7,329.51 is: 10,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.09 : 15,379.16 = 7,329.51 : x
  2. Step 2: Convert to fraction form
    10,260.09/15,379.16 = 7,329.51/x
  3. Step 3: Cross multiply
    10,260.09x = 15,379.16 × 7,329.51
  4. Step 4: Simplify right side
    10,260.09x = 112,721,670.36
  5. Step 5: Solve for x
    x = 112,721,670.36/10,260.09
  6. Step 6: Final answer
    x = 10,986.42

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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.