Home / 16,278.21-24,421.41-7,519.32

Finding the Fourth Proportional to 16,278.21, 24,421.41 and 7,519.32

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Solution

The fourth proportional to 16,278.21, 24,421.41 and 7,519.32 is: 11,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.21 : 24,421.41 = 7,519.32 : x
  2. Step 2: Convert to fraction form
    16,278.21/24,421.41 = 7,519.32/x
  3. Step 3: Cross multiply
    16,278.21x = 24,421.41 × 7,519.32
  4. Step 4: Simplify right side
    16,278.21x = 183,632,396.64
  5. Step 5: Solve for x
    x = 183,632,396.64/16,278.21
  6. Step 6: Final answer
    x = 11,280.87

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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.