Home / 13,956.22-19,256.87-8,916.57

Finding the Fourth Proportional to 13,956.22, 19,256.87 and 8,916.57

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Solution

The fourth proportional to 13,956.22, 19,256.87 and 8,916.57 is: 12,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.22 : 19,256.87 = 8,916.57 : x
  2. Step 2: Convert to fraction form
    13,956.22/19,256.87 = 8,916.57/x
  3. Step 3: Cross multiply
    13,956.22x = 19,256.87 × 8,916.57
  4. Step 4: Simplify right side
    13,956.22x = 171,705,229.34
  5. Step 5: Solve for x
    x = 171,705,229.34/13,956.22
  6. Step 6: Final answer
    x = 12,303.13

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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.