Home / 13,949.55-19,253.70-7,984.67

Finding the Fourth Proportional to 13,949.55, 19,253.70 and 7,984.67

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Solution

The fourth proportional to 13,949.55, 19,253.70 and 7,984.67 is: 11,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.55 : 19,253.70 = 7,984.67 : x
  2. Step 2: Convert to fraction form
    13,949.55/19,253.70 = 7,984.67/x
  3. Step 3: Cross multiply
    13,949.55x = 19,253.70 × 7,984.67
  4. Step 4: Simplify right side
    13,949.55x = 153,734,344.51
  5. Step 5: Solve for x
    x = 153,734,344.51/13,949.55
  6. Step 6: Final answer
    x = 11,020.74

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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.