Home / 17,945.16-26,919.78-4,798.08

Finding the Fourth Proportional to 17,945.16, 26,919.78 and 4,798.08

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Solution

The fourth proportional to 17,945.16, 26,919.78 and 4,798.08 is: 7,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.16 : 26,919.78 = 4,798.08 : x
  2. Step 2: Convert to fraction form
    17,945.16/26,919.78 = 4,798.08/x
  3. Step 3: Cross multiply
    17,945.16x = 26,919.78 × 4,798.08
  4. Step 4: Simplify right side
    17,945.16x = 129,163,258.02
  5. Step 5: Solve for x
    x = 129,163,258.02/17,945.16
  6. Step 6: Final answer
    x = 7,197.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.