Home / 10,138.84-13,994.94-5,947

Finding the Fourth Proportional to 10,138.84, 13,994.94 and 5,947

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Solution

The fourth proportional to 10,138.84, 13,994.94 and 5,947 is: 8,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138.84 : 13,994.94 = 5,947 : x
  2. Step 2: Convert to fraction form
    10,138.84/13,994.94 = 5,947/x
  3. Step 3: Cross multiply
    10,138.84x = 13,994.94 × 5,947
  4. Step 4: Simplify right side
    10,138.84x = 83,227,908.18
  5. Step 5: Solve for x
    x = 83,227,908.18/10,138.84
  6. Step 6: Final answer
    x = 8,208.82

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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.