Home / 18,036.78-24,890.67-10,078.62

Finding the Fourth Proportional to 18,036.78, 24,890.67 and 10,078.62

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Solution

The fourth proportional to 18,036.78, 24,890.67 and 10,078.62 is: 13,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,036.78 : 24,890.67 = 10,078.62 : x
  2. Step 2: Convert to fraction form
    18,036.78/24,890.67 = 10,078.62/x
  3. Step 3: Cross multiply
    18,036.78x = 24,890.67 × 10,078.62
  4. Step 4: Simplify right side
    18,036.78x = 250,863,604.48
  5. Step 5: Solve for x
    x = 250,863,604.48/18,036.78
  6. Step 6: Final answer
    x = 13,908.45

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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.