Home / 10,345.66-15,521.07-3,326.32

Finding the Fourth Proportional to 10,345.66, 15,521.07 and 3,326.32

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Solution

The fourth proportional to 10,345.66, 15,521.07 and 3,326.32 is: 4,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.66 : 15,521.07 = 3,326.32 : x
  2. Step 2: Convert to fraction form
    10,345.66/15,521.07 = 3,326.32/x
  3. Step 3: Cross multiply
    10,345.66x = 15,521.07 × 3,326.32
  4. Step 4: Simplify right side
    10,345.66x = 51,628,045.56
  5. Step 5: Solve for x
    x = 51,628,045.56/10,345.66
  6. Step 6: Final answer
    x = 4,990.31

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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.