Home / 13,977.36-20,966.46-5,210.58

Finding the Fourth Proportional to 13,977.36, 20,966.46 and 5,210.58

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Solution

The fourth proportional to 13,977.36, 20,966.46 and 5,210.58 is: 7,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.36 : 20,966.46 = 5,210.58 : x
  2. Step 2: Convert to fraction form
    13,977.36/20,966.46 = 5,210.58/x
  3. Step 3: Cross multiply
    13,977.36x = 20,966.46 × 5,210.58
  4. Step 4: Simplify right side
    13,977.36x = 109,247,417.15
  5. Step 5: Solve for x
    x = 109,247,417.15/13,977.36
  6. Step 6: Final answer
    x = 7,816.03

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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.