Home / 10,278.93-15,418.47-3,258.81

Finding the Fourth Proportional to 10,278.93, 15,418.47 and 3,258.81

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Solution

The fourth proportional to 10,278.93, 15,418.47 and 3,258.81 is: 4,888.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.93 : 15,418.47 = 3,258.81 : x
  2. Step 2: Convert to fraction form
    10,278.93/15,418.47 = 3,258.81/x
  3. Step 3: Cross multiply
    10,278.93x = 15,418.47 × 3,258.81
  4. Step 4: Simplify right side
    10,278.93x = 50,245,864.22
  5. Step 5: Solve for x
    x = 50,245,864.22/10,278.93
  6. Step 6: Final answer
    x = 4,888.24

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1.5x scale

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.