Home / 18,783.48-25,922.34-10,400.52

Finding the Fourth Proportional to 18,783.48, 25,922.34 and 10,400.52

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Solution

The fourth proportional to 18,783.48, 25,922.34 and 10,400.52 is: 14,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.48 : 25,922.34 = 10,400.52 : x
  2. Step 2: Convert to fraction form
    18,783.48/25,922.34 = 10,400.52/x
  3. Step 3: Cross multiply
    18,783.48x = 25,922.34 × 10,400.52
  4. Step 4: Simplify right side
    18,783.48x = 269,605,815.62
  5. Step 5: Solve for x
    x = 269,605,815.62/18,783.48
  6. Step 6: Final answer
    x = 14,353.35

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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.