Home / 13,302.23-18,359.26-7,999.97

Finding the Fourth Proportional to 13,302.23, 18,359.26 and 7,999.97

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Solution

The fourth proportional to 13,302.23, 18,359.26 and 7,999.97 is: 11,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.23 : 18,359.26 = 7,999.97 : x
  2. Step 2: Convert to fraction form
    13,302.23/18,359.26 = 7,999.97/x
  3. Step 3: Cross multiply
    13,302.23x = 18,359.26 × 7,999.97
  4. Step 4: Simplify right side
    13,302.23x = 146,873,417.43
  5. Step 5: Solve for x
    x = 146,873,417.43/13,302.23
  6. Step 6: Final answer
    x = 11,041.27

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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.