Home / 19,789.76-27,309.38-10,837.64

Finding the Fourth Proportional to 19,789.76, 27,309.38 and 10,837.64

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Solution

The fourth proportional to 19,789.76, 27,309.38 and 10,837.64 is: 14,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.76 : 27,309.38 = 10,837.64 : x
  2. Step 2: Convert to fraction form
    19,789.76/27,309.38 = 10,837.64/x
  3. Step 3: Cross multiply
    19,789.76x = 27,309.38 × 10,837.64
  4. Step 4: Simplify right side
    19,789.76x = 295,969,038.33
  5. Step 5: Solve for x
    x = 295,969,038.33/19,789.76
  6. Step 6: Final answer
    x = 14,955.67

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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.