Home / 13,821.47-19,073.68-7,533.84

Finding the Fourth Proportional to 13,821.47, 19,073.68 and 7,533.84

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Solution

The fourth proportional to 13,821.47, 19,073.68 and 7,533.84 is: 10,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.47 : 19,073.68 = 7,533.84 : x
  2. Step 2: Convert to fraction form
    13,821.47/19,073.68 = 7,533.84/x
  3. Step 3: Cross multiply
    13,821.47x = 19,073.68 × 7,533.84
  4. Step 4: Simplify right side
    13,821.47x = 143,698,106.02
  5. Step 5: Solve for x
    x = 143,698,106.02/13,821.47
  6. Step 6: Final answer
    x = 10,396.73

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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.