Home / 13,933.84-19,228.63-7,560.43

Finding the Fourth Proportional to 13,933.84, 19,228.63 and 7,560.43

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Solution

The fourth proportional to 13,933.84, 19,228.63 and 7,560.43 is: 10,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.84 : 19,228.63 = 7,560.43 : x
  2. Step 2: Convert to fraction form
    13,933.84/19,228.63 = 7,560.43/x
  3. Step 3: Cross multiply
    13,933.84x = 19,228.63 × 7,560.43
  4. Step 4: Simplify right side
    13,933.84x = 145,376,711.11
  5. Step 5: Solve for x
    x = 145,376,711.11/13,933.84
  6. Step 6: Final answer
    x = 10,433.36

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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.