Home / 12,224.28-18,338.58-5,303.64

Finding the Fourth Proportional to 12,224.28, 18,338.58 and 5,303.64

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Solution

The fourth proportional to 12,224.28, 18,338.58 and 5,303.64 is: 7,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.28 : 18,338.58 = 5,303.64 : x
  2. Step 2: Convert to fraction form
    12,224.28/18,338.58 = 5,303.64/x
  3. Step 3: Cross multiply
    12,224.28x = 18,338.58 × 5,303.64
  4. Step 4: Simplify right side
    12,224.28x = 97,261,226.43
  5. Step 5: Solve for x
    x = 97,261,226.43/12,224.28
  6. Step 6: Final answer
    x = 7,956.40

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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.