Home / 12,350.64-18,528.48-3,585.36

Finding the Fourth Proportional to 12,350.64, 18,528.48 and 3,585.36

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Solution

The fourth proportional to 12,350.64, 18,528.48 and 3,585.36 is: 5,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.64 : 18,528.48 = 3,585.36 : x
  2. Step 2: Convert to fraction form
    12,350.64/18,528.48 = 3,585.36/x
  3. Step 3: Cross multiply
    12,350.64x = 18,528.48 × 3,585.36
  4. Step 4: Simplify right side
    12,350.64x = 66,431,271.05
  5. Step 5: Solve for x
    x = 66,431,271.05/12,350.64
  6. Step 6: Final answer
    x = 5,378.77

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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.