Home / 13,999.50-19,317.42-8,030.07

Finding the Fourth Proportional to 13,999.50, 19,317.42 and 8,030.07

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Solution

The fourth proportional to 13,999.50, 19,317.42 and 8,030.07 is: 11,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.50 : 19,317.42 = 8,030.07 : x
  2. Step 2: Convert to fraction form
    13,999.50/19,317.42 = 8,030.07/x
  3. Step 3: Cross multiply
    13,999.50x = 19,317.42 × 8,030.07
  4. Step 4: Simplify right side
    13,999.50x = 155,120,234.82
  5. Step 5: Solve for x
    x = 155,120,234.82/13,999.50
  6. Step 6: Final answer
    x = 11,080.41

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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.