Home / 18,400.94-25,392.59-10,442.69

Finding the Fourth Proportional to 18,400.94, 25,392.59 and 10,442.69

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Solution

The fourth proportional to 18,400.94, 25,392.59 and 10,442.69 is: 14,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.94 : 25,392.59 = 10,442.69 : x
  2. Step 2: Convert to fraction form
    18,400.94/25,392.59 = 10,442.69/x
  3. Step 3: Cross multiply
    18,400.94x = 25,392.59 × 10,442.69
  4. Step 4: Simplify right side
    18,400.94x = 265,166,945.67
  5. Step 5: Solve for x
    x = 265,166,945.67/18,400.94
  6. Step 6: Final answer
    x = 14,410.51

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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.