Home / 9,898.16-13,654.29-6,120.12

Finding the Fourth Proportional to 9,898.16, 13,654.29 and 6,120.12

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Solution

The fourth proportional to 9,898.16, 13,654.29 and 6,120.12 is: 8,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.16 : 13,654.29 = 6,120.12 : x
  2. Step 2: Convert to fraction form
    9,898.16/13,654.29 = 6,120.12/x
  3. Step 3: Cross multiply
    9,898.16x = 13,654.29 × 6,120.12
  4. Step 4: Simplify right side
    9,898.16x = 83,565,907.44
  5. Step 5: Solve for x
    x = 83,565,907.44/9,898.16
  6. Step 6: Final answer
    x = 8,442.57

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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.