Home / 9,677.19-13,354.67-5,429.19

Finding the Fourth Proportional to 9,677.19, 13,354.67 and 5,429.19

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Solution

The fourth proportional to 9,677.19, 13,354.67 and 5,429.19 is: 7,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.19 : 13,354.67 = 5,429.19 : x
  2. Step 2: Convert to fraction form
    9,677.19/13,354.67 = 5,429.19/x
  3. Step 3: Cross multiply
    9,677.19x = 13,354.67 × 5,429.19
  4. Step 4: Simplify right side
    9,677.19x = 72,505,104.47
  5. Step 5: Solve for x
    x = 72,505,104.47/9,677.19
  6. Step 6: Final answer
    x = 7,492.37

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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.