Home / 18,946.48-28,403.52-7,268.08

Finding the Fourth Proportional to 18,946.48, 28,403.52 and 7,268.08

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Solution

The fourth proportional to 18,946.48, 28,403.52 and 7,268.08 is: 10,895.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.48 : 28,403.52 = 7,268.08 : x
  2. Step 2: Convert to fraction form
    18,946.48/28,403.52 = 7,268.08/x
  3. Step 3: Cross multiply
    18,946.48x = 28,403.52 × 7,268.08
  4. Step 4: Simplify right side
    18,946.48x = 206,439,055.64
  5. Step 5: Solve for x
    x = 206,439,055.64/18,946.48
  6. Step 6: Final answer
    x = 10,895.91

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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.