Home / 13,298.13-18,334.38-10,899.27

Finding the Fourth Proportional to 13,298.13, 18,334.38 and 10,899.27

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Solution

The fourth proportional to 13,298.13, 18,334.38 and 10,899.27 is: 15,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.13 : 18,334.38 = 10,899.27 : x
  2. Step 2: Convert to fraction form
    13,298.13/18,334.38 = 10,899.27/x
  3. Step 3: Cross multiply
    13,298.13x = 18,334.38 × 10,899.27
  4. Step 4: Simplify right side
    13,298.13x = 199,831,357.90
  5. Step 5: Solve for x
    x = 199,831,357.90/13,298.13
  6. Step 6: Final answer
    x = 15,027.03

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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.