Home / 12,258.78-18,373.71-5,236.74

Finding the Fourth Proportional to 12,258.78, 18,373.71 and 5,236.74

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Solution

The fourth proportional to 12,258.78, 18,373.71 and 5,236.74 is: 7,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.78 : 18,373.71 = 5,236.74 : x
  2. Step 2: Convert to fraction form
    12,258.78/18,373.71 = 5,236.74/x
  3. Step 3: Cross multiply
    12,258.78x = 18,373.71 × 5,236.74
  4. Step 4: Simplify right side
    12,258.78x = 96,218,342.11
  5. Step 5: Solve for x
    x = 96,218,342.11/12,258.78
  6. Step 6: Final answer
    x = 7,848.93

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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.