Home / 13,895.31-20,846.87-5,581.17

Finding the Fourth Proportional to 13,895.31, 20,846.87 and 5,581.17

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Solution

The fourth proportional to 13,895.31, 20,846.87 and 5,581.17 is: 8,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.31 : 20,846.87 = 5,581.17 : x
  2. Step 2: Convert to fraction form
    13,895.31/20,846.87 = 5,581.17/x
  3. Step 3: Cross multiply
    13,895.31x = 20,846.87 × 5,581.17
  4. Step 4: Simplify right side
    13,895.31x = 116,349,925.44
  5. Step 5: Solve for x
    x = 116,349,925.44/13,895.31
  6. Step 6: Final answer
    x = 8,373.32

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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.