Home / 15,271.73-22,856.55-8,696.15

Finding the Fourth Proportional to 15,271.73, 22,856.55 and 8,696.15

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Solution

The fourth proportional to 15,271.73, 22,856.55 and 8,696.15 is: 13,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.73 : 22,856.55 = 8,696.15 : x
  2. Step 2: Convert to fraction form
    15,271.73/22,856.55 = 8,696.15/x
  3. Step 3: Cross multiply
    15,271.73x = 22,856.55 × 8,696.15
  4. Step 4: Simplify right side
    15,271.73x = 198,763,873.00
  5. Step 5: Solve for x
    x = 198,763,873.00/15,271.73
  6. Step 6: Final answer
    x = 13,015.16

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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.