Home / 14,646.40-21,969.60-4,116.40

Finding the Fourth Proportional to 14,646.40, 21,969.60 and 4,116.40

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Solution

The fourth proportional to 14,646.40, 21,969.60 and 4,116.40 is: 6,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.40 : 21,969.60 = 4,116.40 : x
  2. Step 2: Convert to fraction form
    14,646.40/21,969.60 = 4,116.40/x
  3. Step 3: Cross multiply
    14,646.40x = 21,969.60 × 4,116.40
  4. Step 4: Simplify right side
    14,646.40x = 90,435,661.44
  5. Step 5: Solve for x
    x = 90,435,661.44/14,646.40
  6. Step 6: Final answer
    x = 6,174.60

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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.