Home / 18,824.64-25,973.60-12,112.48

Finding the Fourth Proportional to 18,824.64, 25,973.60 and 12,112.48

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Solution

The fourth proportional to 18,824.64, 25,973.60 and 12,112.48 is: 16,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.64 : 25,973.60 = 12,112.48 : x
  2. Step 2: Convert to fraction form
    18,824.64/25,973.60 = 12,112.48/x
  3. Step 3: Cross multiply
    18,824.64x = 25,973.60 × 12,112.48
  4. Step 4: Simplify right side
    18,824.64x = 314,604,710.53
  5. Step 5: Solve for x
    x = 314,604,710.53/18,824.64
  6. Step 6: Final answer
    x = 16,712.39

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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.