Home / 13,984.92-19,299.20-7,697.25

Finding the Fourth Proportional to 13,984.92, 19,299.20 and 7,697.25

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Solution

The fourth proportional to 13,984.92, 19,299.20 and 7,697.25 is: 10,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.92 : 19,299.20 = 7,697.25 : x
  2. Step 2: Convert to fraction form
    13,984.92/19,299.20 = 7,697.25/x
  3. Step 3: Cross multiply
    13,984.92x = 19,299.20 × 7,697.25
  4. Step 4: Simplify right side
    13,984.92x = 148,550,728.71
  5. Step 5: Solve for x
    x = 148,550,728.71/13,984.92
  6. Step 6: Final answer
    x = 10,622.21

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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.