Home / 9,669.36-13,338.15-5,689.74

Finding the Fourth Proportional to 9,669.36, 13,338.15 and 5,689.74

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Solution

The fourth proportional to 9,669.36, 13,338.15 and 5,689.74 is: 7,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.36 : 13,338.15 = 5,689.74 : x
  2. Step 2: Convert to fraction form
    9,669.36/13,338.15 = 5,689.74/x
  3. Step 3: Cross multiply
    9,669.36x = 13,338.15 × 5,689.74
  4. Step 4: Simplify right side
    9,669.36x = 75,890,605.58
  5. Step 5: Solve for x
    x = 75,890,605.58/9,669.36
  6. Step 6: Final answer
    x = 7,848.57

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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.