Home / 15,896.72-21,936.95-8,823.67

Finding the Fourth Proportional to 15,896.72, 21,936.95 and 8,823.67

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Solution

The fourth proportional to 15,896.72, 21,936.95 and 8,823.67 is: 12,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.72 : 21,936.95 = 8,823.67 : x
  2. Step 2: Convert to fraction form
    15,896.72/21,936.95 = 8,823.67/x
  3. Step 3: Cross multiply
    15,896.72x = 21,936.95 × 8,823.67
  4. Step 4: Simplify right side
    15,896.72x = 193,564,407.61
  5. Step 5: Solve for x
    x = 193,564,407.61/15,896.72
  6. Step 6: Final answer
    x = 12,176.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.