Home / 15,403.68-23,103.74-4,311.25

Finding the Fourth Proportional to 15,403.68, 23,103.74 and 4,311.25

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Solution

The fourth proportional to 15,403.68, 23,103.74 and 4,311.25 is: 6,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.68 : 23,103.74 = 4,311.25 : x
  2. Step 2: Convert to fraction form
    15,403.68/23,103.74 = 4,311.25/x
  3. Step 3: Cross multiply
    15,403.68x = 23,103.74 × 4,311.25
  4. Step 4: Simplify right side
    15,403.68x = 99,605,952.09
  5. Step 5: Solve for x
    x = 99,605,952.09/15,403.68
  6. Step 6: Final answer
    x = 6,466.37

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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.