Home / 13,916.56-19,207.75-12,795.72

Finding the Fourth Proportional to 13,916.56, 19,207.75 and 12,795.72

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Solution

The fourth proportional to 13,916.56, 19,207.75 and 12,795.72 is: 17,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.56 : 19,207.75 = 12,795.72 : x
  2. Step 2: Convert to fraction form
    13,916.56/19,207.75 = 12,795.72/x
  3. Step 3: Cross multiply
    13,916.56x = 19,207.75 × 12,795.72
  4. Step 4: Simplify right side
    13,916.56x = 245,776,926.85
  5. Step 5: Solve for x
    x = 245,776,926.85/13,916.56
  6. Step 6: Final answer
    x = 17,660.76

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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.