Home / 13,913.72-19,202.90-8,610.24

Finding the Fourth Proportional to 13,913.72, 19,202.90 and 8,610.24

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Solution

The fourth proportional to 13,913.72, 19,202.90 and 8,610.24 is: 11,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.72 : 19,202.90 = 8,610.24 : x
  2. Step 2: Convert to fraction form
    13,913.72/19,202.90 = 8,610.24/x
  3. Step 3: Cross multiply
    13,913.72x = 19,202.90 × 8,610.24
  4. Step 4: Simplify right side
    13,913.72x = 165,341,534.64
  5. Step 5: Solve for x
    x = 165,341,534.64/13,913.72
  6. Step 6: Final answer
    x = 11,883.35

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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.