Home / 14,107.60-21,162.27-3,719.35

Finding the Fourth Proportional to 14,107.60, 21,162.27 and 3,719.35

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Solution

The fourth proportional to 14,107.60, 21,162.27 and 3,719.35 is: 5,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.60 : 21,162.27 = 3,719.35 : x
  2. Step 2: Convert to fraction form
    14,107.60/21,162.27 = 3,719.35/x
  3. Step 3: Cross multiply
    14,107.60x = 21,162.27 × 3,719.35
  4. Step 4: Simplify right side
    14,107.60x = 78,709,888.92
  5. Step 5: Solve for x
    x = 78,709,888.92/14,107.60
  6. Step 6: Final answer
    x = 5,579.25

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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.