Home / 14,313.78-21,463.32-5,991.51

Finding the Fourth Proportional to 14,313.78, 21,463.32 and 5,991.51

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Solution

The fourth proportional to 14,313.78, 21,463.32 and 5,991.51 is: 8,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.78 : 21,463.32 = 5,991.51 : x
  2. Step 2: Convert to fraction form
    14,313.78/21,463.32 = 5,991.51/x
  3. Step 3: Cross multiply
    14,313.78x = 21,463.32 × 5,991.51
  4. Step 4: Simplify right side
    14,313.78x = 128,597,696.41
  5. Step 5: Solve for x
    x = 128,597,696.41/14,313.78
  6. Step 6: Final answer
    x = 8,984.19

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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.