Home / 14,443.45-19,933.38-8,776.96

Finding the Fourth Proportional to 14,443.45, 19,933.38 and 8,776.96

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Solution

The fourth proportional to 14,443.45, 19,933.38 and 8,776.96 is: 12,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.45 : 19,933.38 = 8,776.96 : x
  2. Step 2: Convert to fraction form
    14,443.45/19,933.38 = 8,776.96/x
  3. Step 3: Cross multiply
    14,443.45x = 19,933.38 × 8,776.96
  4. Step 4: Simplify right side
    14,443.45x = 174,954,478.92
  5. Step 5: Solve for x
    x = 174,954,478.92/14,443.45
  6. Step 6: Final answer
    x = 12,113.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.