Home / 18,881.21-26,056.73-10,383.68

Finding the Fourth Proportional to 18,881.21, 26,056.73 and 10,383.68

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Solution

The fourth proportional to 18,881.21, 26,056.73 and 10,383.68 is: 14,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.21 : 26,056.73 = 10,383.68 : x
  2. Step 2: Convert to fraction form
    18,881.21/26,056.73 = 10,383.68/x
  3. Step 3: Cross multiply
    18,881.21x = 26,056.73 × 10,383.68
  4. Step 4: Simplify right side
    18,881.21x = 270,564,746.17
  5. Step 5: Solve for x
    x = 270,564,746.17/18,881.21
  6. Step 6: Final answer
    x = 14,329.84

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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.