Home / 18,822.36-25,977.48-10,864.44

Finding the Fourth Proportional to 18,822.36, 25,977.48 and 10,864.44

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Solution

The fourth proportional to 18,822.36, 25,977.48 and 10,864.44 is: 14,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.36 : 25,977.48 = 10,864.44 : x
  2. Step 2: Convert to fraction form
    18,822.36/25,977.48 = 10,864.44/x
  3. Step 3: Cross multiply
    18,822.36x = 25,977.48 × 10,864.44
  4. Step 4: Simplify right side
    18,822.36x = 282,230,772.81
  5. Step 5: Solve for x
    x = 282,230,772.81/18,822.36
  6. Step 6: Final answer
    x = 14,994.44

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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.