Home / 10,291.55-15,436.08-4,369.28

Finding the Fourth Proportional to 10,291.55, 15,436.08 and 4,369.28

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Solution

The fourth proportional to 10,291.55, 15,436.08 and 4,369.28 is: 6,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.55 : 15,436.08 = 4,369.28 : x
  2. Step 2: Convert to fraction form
    10,291.55/15,436.08 = 4,369.28/x
  3. Step 3: Cross multiply
    10,291.55x = 15,436.08 × 4,369.28
  4. Step 4: Simplify right side
    10,291.55x = 67,444,478.44
  5. Step 5: Solve for x
    x = 67,444,478.44/10,291.55
  6. Step 6: Final answer
    x = 6,553.39

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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.