Home / 18,971.54-26,204.02-14,212.77

Finding the Fourth Proportional to 18,971.54, 26,204.02 and 14,212.77

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Solution

The fourth proportional to 18,971.54, 26,204.02 and 14,212.77 is: 19,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971.54 : 26,204.02 = 14,212.77 : x
  2. Step 2: Convert to fraction form
    18,971.54/26,204.02 = 14,212.77/x
  3. Step 3: Cross multiply
    18,971.54x = 26,204.02 × 14,212.77
  4. Step 4: Simplify right side
    18,971.54x = 372,431,709.34
  5. Step 5: Solve for x
    x = 372,431,709.34/18,971.54
  6. Step 6: Final answer
    x = 19,631.08

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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.