Home / 18,881.72-26,056.08-10,383.77

Finding the Fourth Proportional to 18,881.72, 26,056.08 and 10,383.77

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Solution

The fourth proportional to 18,881.72, 26,056.08 and 10,383.77 is: 14,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.72 : 26,056.08 = 10,383.77 : x
  2. Step 2: Convert to fraction form
    18,881.72/26,056.08 = 10,383.77/x
  3. Step 3: Cross multiply
    18,881.72x = 26,056.08 × 10,383.77
  4. Step 4: Simplify right side
    18,881.72x = 270,560,341.82
  5. Step 5: Solve for x
    x = 270,560,341.82/18,881.72
  6. Step 6: Final answer
    x = 14,329.22

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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.