Home / 18,631.37-25,709.74-10,973.43

Finding the Fourth Proportional to 18,631.37, 25,709.74 and 10,973.43

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Solution

The fourth proportional to 18,631.37, 25,709.74 and 10,973.43 is: 15,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.37 : 25,709.74 = 10,973.43 : x
  2. Step 2: Convert to fraction form
    18,631.37/25,709.74 = 10,973.43/x
  3. Step 3: Cross multiply
    18,631.37x = 25,709.74 × 10,973.43
  4. Step 4: Simplify right side
    18,631.37x = 282,124,004.77
  5. Step 5: Solve for x
    x = 282,124,004.77/18,631.37
  6. Step 6: Final answer
    x = 15,142.42

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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.