Home / 13,320.80-19,965.81-9,568.34

Finding the Fourth Proportional to 13,320.80, 19,965.81 and 9,568.34

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Solution

The fourth proportional to 13,320.80, 19,965.81 and 9,568.34 is: 14,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.80 : 19,965.81 = 9,568.34 : x
  2. Step 2: Convert to fraction form
    13,320.80/19,965.81 = 9,568.34/x
  3. Step 3: Cross multiply
    13,320.80x = 19,965.81 × 9,568.34
  4. Step 4: Simplify right side
    13,320.80x = 191,039,658.46
  5. Step 5: Solve for x
    x = 191,039,658.46/13,320.80
  6. Step 6: Final answer
    x = 14,341.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.