Home / 19,261.56-26,579.70-10,878.60

Finding the Fourth Proportional to 19,261.56, 26,579.70 and 10,878.60

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Solution

The fourth proportional to 19,261.56, 26,579.70 and 10,878.60 is: 15,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.56 : 26,579.70 = 10,878.60 : x
  2. Step 2: Convert to fraction form
    19,261.56/26,579.70 = 10,878.60/x
  3. Step 3: Cross multiply
    19,261.56x = 26,579.70 × 10,878.60
  4. Step 4: Simplify right side
    19,261.56x = 289,149,924.42
  5. Step 5: Solve for x
    x = 289,149,924.42/19,261.56
  6. Step 6: Final answer
    x = 15,011.76

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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.