Home / 13,971.52-19,280.94-8,003.71

Finding the Fourth Proportional to 13,971.52, 19,280.94 and 8,003.71

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Solution

The fourth proportional to 13,971.52, 19,280.94 and 8,003.71 is: 11,045.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.52 : 19,280.94 = 8,003.71 : x
  2. Step 2: Convert to fraction form
    13,971.52/19,280.94 = 8,003.71/x
  3. Step 3: Cross multiply
    13,971.52x = 19,280.94 × 8,003.71
  4. Step 4: Simplify right side
    13,971.52x = 154,319,012.27
  5. Step 5: Solve for x
    x = 154,319,012.27/13,971.52
  6. Step 6: Final answer
    x = 11,045.26

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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.