Home / 13,348.28-18,409.44-9,998.96

Finding the Fourth Proportional to 13,348.28, 18,409.44 and 9,998.96

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Solution

The fourth proportional to 13,348.28, 18,409.44 and 9,998.96 is: 13,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.28 : 18,409.44 = 9,998.96 : x
  2. Step 2: Convert to fraction form
    13,348.28/18,409.44 = 9,998.96/x
  3. Step 3: Cross multiply
    13,348.28x = 18,409.44 × 9,998.96
  4. Step 4: Simplify right side
    13,348.28x = 184,075,254.18
  5. Step 5: Solve for x
    x = 184,075,254.18/13,348.28
  6. Step 6: Final answer
    x = 13,790.19

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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.