Home / 18,078.86-24,957.89-11,368.19

Finding the Fourth Proportional to 18,078.86, 24,957.89 and 11,368.19

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Solution

The fourth proportional to 18,078.86, 24,957.89 and 11,368.19 is: 15,693.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.86 : 24,957.89 = 11,368.19 : x
  2. Step 2: Convert to fraction form
    18,078.86/24,957.89 = 11,368.19/x
  3. Step 3: Cross multiply
    18,078.86x = 24,957.89 × 11,368.19
  4. Step 4: Simplify right side
    18,078.86x = 283,725,939.15
  5. Step 5: Solve for x
    x = 283,725,939.15/18,078.86
  6. Step 6: Final answer
    x = 15,693.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.