Home / 10,878.26-16,318.53-4,638.93

Finding the Fourth Proportional to 10,878.26, 16,318.53 and 4,638.93

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Solution

The fourth proportional to 10,878.26, 16,318.53 and 4,638.93 is: 6,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.26 : 16,318.53 = 4,638.93 : x
  2. Step 2: Convert to fraction form
    10,878.26/16,318.53 = 4,638.93/x
  3. Step 3: Cross multiply
    10,878.26x = 16,318.53 × 4,638.93
  4. Step 4: Simplify right side
    10,878.26x = 75,700,579.57
  5. Step 5: Solve for x
    x = 75,700,579.57/10,878.26
  6. Step 6: Final answer
    x = 6,958.89

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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.