Home / 19,377.95-26,741.33-10,879.86

Finding the Fourth Proportional to 19,377.95, 26,741.33 and 10,879.86

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Solution

The fourth proportional to 19,377.95, 26,741.33 and 10,879.86 is: 15,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377.95 : 26,741.33 = 10,879.86 : x
  2. Step 2: Convert to fraction form
    19,377.95/26,741.33 = 10,879.86/x
  3. Step 3: Cross multiply
    19,377.95x = 26,741.33 × 10,879.86
  4. Step 4: Simplify right side
    19,377.95x = 290,941,926.61
  5. Step 5: Solve for x
    x = 290,941,926.61/19,377.95
  6. Step 6: Final answer
    x = 15,014.07

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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.