Home / 18,842.75-26,003.33-10,345.67

Finding the Fourth Proportional to 18,842.75, 26,003.33 and 10,345.67

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Solution

The fourth proportional to 18,842.75, 26,003.33 and 10,345.67 is: 14,277.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.75 : 26,003.33 = 10,345.67 : x
  2. Step 2: Convert to fraction form
    18,842.75/26,003.33 = 10,345.67/x
  3. Step 3: Cross multiply
    18,842.75x = 26,003.33 × 10,345.67
  4. Step 4: Simplify right side
    18,842.75x = 269,021,871.08
  5. Step 5: Solve for x
    x = 269,021,871.08/18,842.75
  6. Step 6: Final answer
    x = 14,277.21

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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.