Home / 12,363.39-18,561.09-10,619.67

Finding the Fourth Proportional to 12,363.39, 18,561.09 and 10,619.67

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Solution

The fourth proportional to 12,363.39, 18,561.09 and 10,619.67 is: 15,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.39 : 18,561.09 = 10,619.67 : x
  2. Step 2: Convert to fraction form
    12,363.39/18,561.09 = 10,619.67/x
  3. Step 3: Cross multiply
    12,363.39x = 18,561.09 × 10,619.67
  4. Step 4: Simplify right side
    12,363.39x = 197,112,650.64
  5. Step 5: Solve for x
    x = 197,112,650.64/12,363.39
  6. Step 6: Final answer
    x = 15,943.25

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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.