Home / 18,845.66-28,268.19-5,698.15

Finding the Fourth Proportional to 18,845.66, 28,268.19 and 5,698.15

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Solution

The fourth proportional to 18,845.66, 28,268.19 and 5,698.15 is: 8,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.66 : 28,268.19 = 5,698.15 : x
  2. Step 2: Convert to fraction form
    18,845.66/28,268.19 = 5,698.15/x
  3. Step 3: Cross multiply
    18,845.66x = 28,268.19 × 5,698.15
  4. Step 4: Simplify right side
    18,845.66x = 161,076,316.18
  5. Step 5: Solve for x
    x = 161,076,316.18/18,845.66
  6. Step 6: Final answer
    x = 8,547.13

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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.