Home / 13,523.41-20,284.44-4,758.40

Finding the Fourth Proportional to 13,523.41, 20,284.44 and 4,758.40

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Solution

The fourth proportional to 13,523.41, 20,284.44 and 4,758.40 is: 7,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.41 : 20,284.44 = 4,758.40 : x
  2. Step 2: Convert to fraction form
    13,523.41/20,284.44 = 4,758.40/x
  3. Step 3: Cross multiply
    13,523.41x = 20,284.44 × 4,758.40
  4. Step 4: Simplify right side
    13,523.41x = 96,521,479.30
  5. Step 5: Solve for x
    x = 96,521,479.30/13,523.41
  6. Step 6: Final answer
    x = 7,137.36

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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.