Home / 13,010.72-17,956.32-12,602.48

Finding the Fourth Proportional to 13,010.72, 17,956.32 and 12,602.48

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Solution

The fourth proportional to 13,010.72, 17,956.32 and 12,602.48 is: 17,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.72 : 17,956.32 = 12,602.48 : x
  2. Step 2: Convert to fraction form
    13,010.72/17,956.32 = 12,602.48/x
  3. Step 3: Cross multiply
    13,010.72x = 17,956.32 × 12,602.48
  4. Step 4: Simplify right side
    13,010.72x = 226,294,163.67
  5. Step 5: Solve for x
    x = 226,294,163.67/13,010.72
  6. Step 6: Final answer
    x = 17,392.90

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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.