Home / 19,453.90-26,844.72-10,955.56

Finding the Fourth Proportional to 19,453.90, 26,844.72 and 10,955.56

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Solution

The fourth proportional to 19,453.90, 26,844.72 and 10,955.56 is: 15,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.90 : 26,844.72 = 10,955.56 : x
  2. Step 2: Convert to fraction form
    19,453.90/26,844.72 = 10,955.56/x
  3. Step 3: Cross multiply
    19,453.90x = 26,844.72 × 10,955.56
  4. Step 4: Simplify right side
    19,453.90x = 294,098,940.64
  5. Step 5: Solve for x
    x = 294,098,940.64/19,453.90
  6. Step 6: Final answer
    x = 15,117.74

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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.