Home / 13,744.36-18,960.26-8,700.12

Finding the Fourth Proportional to 13,744.36, 18,960.26 and 8,700.12

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Solution

The fourth proportional to 13,744.36, 18,960.26 and 8,700.12 is: 12,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.36 : 18,960.26 = 8,700.12 : x
  2. Step 2: Convert to fraction form
    13,744.36/18,960.26 = 8,700.12/x
  3. Step 3: Cross multiply
    13,744.36x = 18,960.26 × 8,700.12
  4. Step 4: Simplify right side
    13,744.36x = 164,956,537.23
  5. Step 5: Solve for x
    x = 164,956,537.23/13,744.36
  6. Step 6: Final answer
    x = 12,001.76

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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.