Home / 9,429.74-13,016.67-6,284.78

Finding the Fourth Proportional to 9,429.74, 13,016.67 and 6,284.78

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Solution

The fourth proportional to 9,429.74, 13,016.67 and 6,284.78 is: 8,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.74 : 13,016.67 = 6,284.78 : x
  2. Step 2: Convert to fraction form
    9,429.74/13,016.67 = 6,284.78/x
  3. Step 3: Cross multiply
    9,429.74x = 13,016.67 × 6,284.78
  4. Step 4: Simplify right side
    9,429.74x = 81,806,907.28
  5. Step 5: Solve for x
    x = 81,806,907.28/9,429.74
  6. Step 6: Final answer
    x = 8,675.41

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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.