Home / 9,828.48-13,559.58-6,291.12

Finding the Fourth Proportional to 9,828.48, 13,559.58 and 6,291.12

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Solution

The fourth proportional to 9,828.48, 13,559.58 and 6,291.12 is: 8,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.48 : 13,559.58 = 6,291.12 : x
  2. Step 2: Convert to fraction form
    9,828.48/13,559.58 = 6,291.12/x
  3. Step 3: Cross multiply
    9,828.48x = 13,559.58 × 6,291.12
  4. Step 4: Simplify right side
    9,828.48x = 85,304,944.93
  5. Step 5: Solve for x
    x = 85,304,944.93/9,828.48
  6. Step 6: Final answer
    x = 8,679.36

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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.