Home / 10,347.57-15,521.64-3,328.29

Finding the Fourth Proportional to 10,347.57, 15,521.64 and 3,328.29

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Solution

The fourth proportional to 10,347.57, 15,521.64 and 3,328.29 is: 4,992.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.57 : 15,521.64 = 3,328.29 : x
  2. Step 2: Convert to fraction form
    10,347.57/15,521.64 = 3,328.29/x
  3. Step 3: Cross multiply
    10,347.57x = 15,521.64 × 3,328.29
  4. Step 4: Simplify right side
    10,347.57x = 51,660,519.20
  5. Step 5: Solve for x
    x = 51,660,519.20/10,347.57
  6. Step 6: Final answer
    x = 4,992.53

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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.