Home / 18,338.81-25,313.58-10,784.81

Finding the Fourth Proportional to 18,338.81, 25,313.58 and 10,784.81

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Solution

The fourth proportional to 18,338.81, 25,313.58 and 10,784.81 is: 14,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.81 : 25,313.58 = 10,784.81 : x
  2. Step 2: Convert to fraction form
    18,338.81/25,313.58 = 10,784.81/x
  3. Step 3: Cross multiply
    18,338.81x = 25,313.58 × 10,784.81
  4. Step 4: Simplify right side
    18,338.81x = 273,002,214.00
  5. Step 5: Solve for x
    x = 273,002,214.00/18,338.81
  6. Step 6: Final answer
    x = 14,886.59

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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.