Home / 18,908.95-26,130.32-14,185.03

Finding the Fourth Proportional to 18,908.95, 26,130.32 and 14,185.03

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Solution

The fourth proportional to 18,908.95, 26,130.32 and 14,185.03 is: 19,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.95 : 26,130.32 = 14,185.03 : x
  2. Step 2: Convert to fraction form
    18,908.95/26,130.32 = 14,185.03/x
  3. Step 3: Cross multiply
    18,908.95x = 26,130.32 × 14,185.03
  4. Step 4: Simplify right side
    18,908.95x = 370,659,373.11
  5. Step 5: Solve for x
    x = 370,659,373.11/18,908.95
  6. Step 6: Final answer
    x = 19,602.32

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Double scale
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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.