Home / 13,534.45-20,301.43-6,956.77

Finding the Fourth Proportional to 13,534.45, 20,301.43 and 6,956.77

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Solution

The fourth proportional to 13,534.45, 20,301.43 and 6,956.77 is: 10,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534.45 : 20,301.43 = 6,956.77 : x
  2. Step 2: Convert to fraction form
    13,534.45/20,301.43 = 6,956.77/x
  3. Step 3: Cross multiply
    13,534.45x = 20,301.43 × 6,956.77
  4. Step 4: Simplify right side
    13,534.45x = 141,232,379.18
  5. Step 5: Solve for x
    x = 141,232,379.18/13,534.45
  6. Step 6: Final answer
    x = 10,435.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.