Home / 10,698.05-16,045.74-4,119.53

Finding the Fourth Proportional to 10,698.05, 16,045.74 and 4,119.53

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Solution

The fourth proportional to 10,698.05, 16,045.74 and 4,119.53 is: 6,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698.05 : 16,045.74 = 4,119.53 : x
  2. Step 2: Convert to fraction form
    10,698.05/16,045.74 = 4,119.53/x
  3. Step 3: Cross multiply
    10,698.05x = 16,045.74 × 4,119.53
  4. Step 4: Simplify right side
    10,698.05x = 66,100,827.07
  5. Step 5: Solve for x
    x = 66,100,827.07/10,698.05
  6. Step 6: Final answer
    x = 6,178.78

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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.