Home / 18,741.40-25,851.23-14,255.32

Finding the Fourth Proportional to 18,741.40, 25,851.23 and 14,255.32

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Solution

The fourth proportional to 18,741.40, 25,851.23 and 14,255.32 is: 19,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.40 : 25,851.23 = 14,255.32 : x
  2. Step 2: Convert to fraction form
    18,741.40/25,851.23 = 14,255.32/x
  3. Step 3: Cross multiply
    18,741.40x = 25,851.23 × 14,255.32
  4. Step 4: Simplify right side
    18,741.40x = 368,517,355.51
  5. Step 5: Solve for x
    x = 368,517,355.51/18,741.40
  6. Step 6: Final answer
    x = 19,663.28

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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.