Home / 19,074.87-26,321.90-10,689.75

Finding the Fourth Proportional to 19,074.87, 26,321.90 and 10,689.75

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Solution

The fourth proportional to 19,074.87, 26,321.90 and 10,689.75 is: 14,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.87 : 26,321.90 = 10,689.75 : x
  2. Step 2: Convert to fraction form
    19,074.87/26,321.90 = 10,689.75/x
  3. Step 3: Cross multiply
    19,074.87x = 26,321.90 × 10,689.75
  4. Step 4: Simplify right side
    19,074.87x = 281,374,477.08
  5. Step 5: Solve for x
    x = 281,374,477.08/19,074.87
  6. Step 6: Final answer
    x = 14,751.06

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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.