Home / 19,376.95-26,739.96-10,878.86

Finding the Fourth Proportional to 19,376.95, 26,739.96 and 10,878.86

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Solution

The fourth proportional to 19,376.95, 26,739.96 and 10,878.86 is: 15,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.95 : 26,739.96 = 10,878.86 : x
  2. Step 2: Convert to fraction form
    19,376.95/26,739.96 = 10,878.86/x
  3. Step 3: Cross multiply
    19,376.95x = 26,739.96 × 10,878.86
  4. Step 4: Simplify right side
    19,376.95x = 290,900,226.85
  5. Step 5: Solve for x
    x = 290,900,226.85/19,376.95
  6. Step 6: Final answer
    x = 15,012.69

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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.