Home / 10,328.84-15,493.08-3,403.40

Finding the Fourth Proportional to 10,328.84, 15,493.08 and 3,403.40

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Solution

The fourth proportional to 10,328.84, 15,493.08 and 3,403.40 is: 5,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.84 : 15,493.08 = 3,403.40 : x
  2. Step 2: Convert to fraction form
    10,328.84/15,493.08 = 3,403.40/x
  3. Step 3: Cross multiply
    10,328.84x = 15,493.08 × 3,403.40
  4. Step 4: Simplify right side
    10,328.84x = 52,729,148.47
  5. Step 5: Solve for x
    x = 52,729,148.47/10,328.84
  6. Step 6: Final answer
    x = 5,105.04

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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.