Home / 12,949.84-19,439.16-6,708.18

Finding the Fourth Proportional to 12,949.84, 19,439.16 and 6,708.18

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Solution

The fourth proportional to 12,949.84, 19,439.16 and 6,708.18 is: 10,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.84 : 19,439.16 = 6,708.18 : x
  2. Step 2: Convert to fraction form
    12,949.84/19,439.16 = 6,708.18/x
  3. Step 3: Cross multiply
    12,949.84x = 19,439.16 × 6,708.18
  4. Step 4: Simplify right side
    12,949.84x = 130,401,482.38
  5. Step 5: Solve for x
    x = 130,401,482.38/12,949.84
  6. Step 6: Final answer
    x = 10,069.74

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1.5x scale

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.