Home / 19,376.79-26,741.51-10,879.47

Finding the Fourth Proportional to 19,376.79, 26,741.51 and 10,879.47

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Solution

The fourth proportional to 19,376.79, 26,741.51 and 10,879.47 is: 15,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.79 : 26,741.51 = 10,879.47 : x
  2. Step 2: Convert to fraction form
    19,376.79/26,741.51 = 10,879.47/x
  3. Step 3: Cross multiply
    19,376.79x = 26,741.51 × 10,879.47
  4. Step 4: Simplify right side
    19,376.79x = 290,933,455.80
  5. Step 5: Solve for x
    x = 290,933,455.80/19,376.79
  6. Step 6: Final answer
    x = 15,014.53

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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.