Home / 25,364.74-38,055.21-12,218.44

Finding the Fourth Proportional to 25,364.74, 38,055.21 and 12,218.44

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Solution

The fourth proportional to 25,364.74, 38,055.21 and 12,218.44 is: 18,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.74 : 38,055.21 = 12,218.44 : x
  2. Step 2: Convert to fraction form
    25,364.74/38,055.21 = 12,218.44/x
  3. Step 3: Cross multiply
    25,364.74x = 38,055.21 × 12,218.44
  4. Step 4: Simplify right side
    25,364.74x = 464,975,300.07
  5. Step 5: Solve for x
    x = 464,975,300.07/25,364.74
  6. Step 6: Final answer
    x = 18,331.56

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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.