Home / 13,053.69-18,049.53-12,842.67

Finding the Fourth Proportional to 13,053.69, 18,049.53 and 12,842.67

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Solution

The fourth proportional to 13,053.69, 18,049.53 and 12,842.67 is: 17,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.69 : 18,049.53 = 12,842.67 : x
  2. Step 2: Convert to fraction form
    13,053.69/18,049.53 = 12,842.67/x
  3. Step 3: Cross multiply
    13,053.69x = 18,049.53 × 12,842.67
  4. Step 4: Simplify right side
    13,053.69x = 231,804,157.45
  5. Step 5: Solve for x
    x = 231,804,157.45/13,053.69
  6. Step 6: Final answer
    x = 17,757.75

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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.