Home / 11,518.89-17,258.08-5,587.67

Finding the Fourth Proportional to 11,518.89, 17,258.08 and 5,587.67

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Solution

The fourth proportional to 11,518.89, 17,258.08 and 5,587.67 is: 8,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.89 : 17,258.08 = 5,587.67 : x
  2. Step 2: Convert to fraction form
    11,518.89/17,258.08 = 5,587.67/x
  3. Step 3: Cross multiply
    11,518.89x = 17,258.08 × 5,587.67
  4. Step 4: Simplify right side
    11,518.89x = 96,432,455.87
  5. Step 5: Solve for x
    x = 96,432,455.87/11,518.89
  6. Step 6: Final answer
    x = 8,371.68

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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.