Home / 13,266.27-19,883.00-6,688.86

Finding the Fourth Proportional to 13,266.27, 19,883.00 and 6,688.86

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Solution

The fourth proportional to 13,266.27, 19,883.00 and 6,688.86 is: 10,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.27 : 19,883.00 = 6,688.86 : x
  2. Step 2: Convert to fraction form
    13,266.27/19,883.00 = 6,688.86/x
  3. Step 3: Cross multiply
    13,266.27x = 19,883.00 × 6,688.86
  4. Step 4: Simplify right side
    13,266.27x = 132,994,569.94
  5. Step 5: Solve for x
    x = 132,994,569.94/13,266.27
  6. Step 6: Final answer
    x = 10,025.02

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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.