Home / 13,170.96-19,756.98-4,406.76

Finding the Fourth Proportional to 13,170.96, 19,756.98 and 4,406.76

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Solution

The fourth proportional to 13,170.96, 19,756.98 and 4,406.76 is: 6,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.96 : 19,756.98 = 4,406.76 : x
  2. Step 2: Convert to fraction form
    13,170.96/19,756.98 = 4,406.76/x
  3. Step 3: Cross multiply
    13,170.96x = 19,756.98 × 4,406.76
  4. Step 4: Simplify right side
    13,170.96x = 87,064,269.18
  5. Step 5: Solve for x
    x = 87,064,269.18/13,170.96
  6. Step 6: Final answer
    x = 6,610.32

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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.