Home / 9,429.25-14,143.88-2,409.28

Finding the Fourth Proportional to 9,429.25, 14,143.88 and 2,409.28

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Solution

The fourth proportional to 9,429.25, 14,143.88 and 2,409.28 is: 3,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.25 : 14,143.88 = 2,409.28 : x
  2. Step 2: Convert to fraction form
    9,429.25/14,143.88 = 2,409.28/x
  3. Step 3: Cross multiply
    9,429.25x = 14,143.88 × 2,409.28
  4. Step 4: Simplify right side
    9,429.25x = 34,076,564.10
  5. Step 5: Solve for x
    x = 34,076,564.10/9,429.25
  6. Step 6: Final answer
    x = 3,613.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.