Home / 10,349.48-15,519.47-3,328.20

Finding the Fourth Proportional to 10,349.48, 15,519.47 and 3,328.20

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Solution

The fourth proportional to 10,349.48, 15,519.47 and 3,328.20 is: 4,990.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.48 : 15,519.47 = 3,328.20 : x
  2. Step 2: Convert to fraction form
    10,349.48/15,519.47 = 3,328.20/x
  3. Step 3: Cross multiply
    10,349.48x = 15,519.47 × 3,328.20
  4. Step 4: Simplify right side
    10,349.48x = 51,651,883.41
  5. Step 5: Solve for x
    x = 51,651,883.41/10,349.48
  6. Step 6: Final answer
    x = 4,990.77

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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.