Home / 9,821.76-13,548.96-6,089.28

Finding the Fourth Proportional to 9,821.76, 13,548.96 and 6,089.28

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Solution

The fourth proportional to 9,821.76, 13,548.96 and 6,089.28 is: 8,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.76 : 13,548.96 = 6,089.28 : x
  2. Step 2: Convert to fraction form
    9,821.76/13,548.96 = 6,089.28/x
  3. Step 3: Cross multiply
    9,821.76x = 13,548.96 × 6,089.28
  4. Step 4: Simplify right side
    9,821.76x = 82,503,411.15
  5. Step 5: Solve for x
    x = 82,503,411.15/9,821.76
  6. Step 6: Final answer
    x = 8,400.06

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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.