Home / 18,724.87-25,840.40-10,226.85

Finding the Fourth Proportional to 18,724.87, 25,840.40 and 10,226.85

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Solution

The fourth proportional to 18,724.87, 25,840.40 and 10,226.85 is: 14,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.87 : 25,840.40 = 10,226.85 : x
  2. Step 2: Convert to fraction form
    18,724.87/25,840.40 = 10,226.85/x
  3. Step 3: Cross multiply
    18,724.87x = 25,840.40 × 10,226.85
  4. Step 4: Simplify right side
    18,724.87x = 264,265,894.74
  5. Step 5: Solve for x
    x = 264,265,894.74/18,724.87
  6. Step 6: Final answer
    x = 14,113.10

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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.