Home / 12,207.17-18,313.53-4,415.99

Finding the Fourth Proportional to 12,207.17, 18,313.53 and 4,415.99

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Solution

The fourth proportional to 12,207.17, 18,313.53 and 4,415.99 is: 6,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.17 : 18,313.53 = 4,415.99 : x
  2. Step 2: Convert to fraction form
    12,207.17/18,313.53 = 4,415.99/x
  3. Step 3: Cross multiply
    12,207.17x = 18,313.53 × 4,415.99
  4. Step 4: Simplify right side
    12,207.17x = 80,872,257.22
  5. Step 5: Solve for x
    x = 80,872,257.22/12,207.17
  6. Step 6: Final answer
    x = 6,624.98

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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.