Home / 14,280.13-19,704.24-8,971.19

Finding the Fourth Proportional to 14,280.13, 19,704.24 and 8,971.19

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Solution

The fourth proportional to 14,280.13, 19,704.24 and 8,971.19 is: 12,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.13 : 19,704.24 = 8,971.19 : x
  2. Step 2: Convert to fraction form
    14,280.13/19,704.24 = 8,971.19/x
  3. Step 3: Cross multiply
    14,280.13x = 19,704.24 × 8,971.19
  4. Step 4: Simplify right side
    14,280.13x = 176,770,480.85
  5. Step 5: Solve for x
    x = 176,770,480.85/14,280.13
  6. Step 6: Final answer
    x = 12,378.77

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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.