Home / 18,400.06-25,399.74-13,925.08

Finding the Fourth Proportional to 18,400.06, 25,399.74 and 13,925.08

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Solution

The fourth proportional to 18,400.06, 25,399.74 and 13,925.08 is: 19,222.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.06 : 25,399.74 = 13,925.08 : x
  2. Step 2: Convert to fraction form
    18,400.06/25,399.74 = 13,925.08/x
  3. Step 3: Cross multiply
    18,400.06x = 25,399.74 × 13,925.08
  4. Step 4: Simplify right side
    18,400.06x = 353,693,411.48
  5. Step 5: Solve for x
    x = 353,693,411.48/18,400.06
  6. Step 6: Final answer
    x = 19,222.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.