Home / 18,376.60-25,360.14-9,993.16

Finding the Fourth Proportional to 18,376.60, 25,360.14 and 9,993.16

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Solution

The fourth proportional to 18,376.60, 25,360.14 and 9,993.16 is: 13,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.60 : 25,360.14 = 9,993.16 : x
  2. Step 2: Convert to fraction form
    18,376.60/25,360.14 = 9,993.16/x
  3. Step 3: Cross multiply
    18,376.60x = 25,360.14 × 9,993.16
  4. Step 4: Simplify right side
    18,376.60x = 253,427,936.64
  5. Step 5: Solve for x
    x = 253,427,936.64/18,376.60
  6. Step 6: Final answer
    x = 13,790.80

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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.