Home / 18,742.93-28,104.84-6,258.47

Finding the Fourth Proportional to 18,742.93, 28,104.84 and 6,258.47

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Solution

The fourth proportional to 18,742.93, 28,104.84 and 6,258.47 is: 9,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.93 : 28,104.84 = 6,258.47 : x
  2. Step 2: Convert to fraction form
    18,742.93/28,104.84 = 6,258.47/x
  3. Step 3: Cross multiply
    18,742.93x = 28,104.84 × 6,258.47
  4. Step 4: Simplify right side
    18,742.93x = 175,893,297.99
  5. Step 5: Solve for x
    x = 175,893,297.99/18,742.93
  6. Step 6: Final answer
    x = 9,384.51

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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.