Home / 9,878.63-13,630.23-5,898.96

Finding the Fourth Proportional to 9,878.63, 13,630.23 and 5,898.96

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Solution

The fourth proportional to 9,878.63, 13,630.23 and 5,898.96 is: 8,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.63 : 13,630.23 = 5,898.96 : x
  2. Step 2: Convert to fraction form
    9,878.63/13,630.23 = 5,898.96/x
  3. Step 3: Cross multiply
    9,878.63x = 13,630.23 × 5,898.96
  4. Step 4: Simplify right side
    9,878.63x = 80,404,181.56
  5. Step 5: Solve for x
    x = 80,404,181.56/9,878.63
  6. Step 6: Final answer
    x = 8,139.21

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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.