Home / 18,393.08-25,382.58-10,009.76

Finding the Fourth Proportional to 18,393.08, 25,382.58 and 10,009.76

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Solution

The fourth proportional to 18,393.08, 25,382.58 and 10,009.76 is: 13,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393.08 : 25,382.58 = 10,009.76 : x
  2. Step 2: Convert to fraction form
    18,393.08/25,382.58 = 10,009.76/x
  3. Step 3: Cross multiply
    18,393.08x = 25,382.58 × 10,009.76
  4. Step 4: Simplify right side
    18,393.08x = 254,073,533.98
  5. Step 5: Solve for x
    x = 254,073,533.98/18,393.08
  6. Step 6: Final answer
    x = 13,813.54

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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.