Home / 18,948.66-26,148.96-10,883.64

Finding the Fourth Proportional to 18,948.66, 26,148.96 and 10,883.64

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Solution

The fourth proportional to 18,948.66, 26,148.96 and 10,883.64 is: 15,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.66 : 26,148.96 = 10,883.64 : x
  2. Step 2: Convert to fraction form
    18,948.66/26,148.96 = 10,883.64/x
  3. Step 3: Cross multiply
    18,948.66x = 26,148.96 × 10,883.64
  4. Step 4: Simplify right side
    18,948.66x = 284,595,867.01
  5. Step 5: Solve for x
    x = 284,595,867.01/18,948.66
  6. Step 6: Final answer
    x = 15,019.31

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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.