Home / 13,660.16-20,495.16-4,776.81

Finding the Fourth Proportional to 13,660.16, 20,495.16 and 4,776.81

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Solution

The fourth proportional to 13,660.16, 20,495.16 and 4,776.81 is: 7,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.16 : 20,495.16 = 4,776.81 : x
  2. Step 2: Convert to fraction form
    13,660.16/20,495.16 = 4,776.81/x
  3. Step 3: Cross multiply
    13,660.16x = 20,495.16 × 4,776.81
  4. Step 4: Simplify right side
    13,660.16x = 97,901,485.24
  5. Step 5: Solve for x
    x = 97,901,485.24/13,660.16
  6. Step 6: Final answer
    x = 7,166.94

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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.