Home / 12,303.19-18,455.07-4,406.24

Finding the Fourth Proportional to 12,303.19, 18,455.07 and 4,406.24

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Solution

The fourth proportional to 12,303.19, 18,455.07 and 4,406.24 is: 6,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.19 : 18,455.07 = 4,406.24 : x
  2. Step 2: Convert to fraction form
    12,303.19/18,455.07 = 4,406.24/x
  3. Step 3: Cross multiply
    12,303.19x = 18,455.07 × 4,406.24
  4. Step 4: Simplify right side
    12,303.19x = 81,317,467.64
  5. Step 5: Solve for x
    x = 81,317,467.64/12,303.19
  6. Step 6: Final answer
    x = 6,609.46

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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.