Home / 13,997.13-19,319.90-9,528.36

Finding the Fourth Proportional to 13,997.13, 19,319.90 and 9,528.36

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Solution

The fourth proportional to 13,997.13, 19,319.90 and 9,528.36 is: 13,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.13 : 19,319.90 = 9,528.36 : x
  2. Step 2: Convert to fraction form
    13,997.13/19,319.90 = 9,528.36/x
  3. Step 3: Cross multiply
    13,997.13x = 19,319.90 × 9,528.36
  4. Step 4: Simplify right side
    13,997.13x = 184,086,914.72
  5. Step 5: Solve for x
    x = 184,086,914.72/13,997.13
  6. Step 6: Final answer
    x = 13,151.76

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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.