Home / 14,163.60-21,246.48-4,303.68

Finding the Fourth Proportional to 14,163.60, 21,246.48 and 4,303.68

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Solution

The fourth proportional to 14,163.60, 21,246.48 and 4,303.68 is: 6,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.60 : 21,246.48 = 4,303.68 : x
  2. Step 2: Convert to fraction form
    14,163.60/21,246.48 = 4,303.68/x
  3. Step 3: Cross multiply
    14,163.60x = 21,246.48 × 4,303.68
  4. Step 4: Simplify right side
    14,163.60x = 91,438,051.05
  5. Step 5: Solve for x
    x = 91,438,051.05/14,163.60
  6. Step 6: Final answer
    x = 6,455.85

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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.