Home / 14,210.40-21,297.60-5,433.60

Finding the Fourth Proportional to 14,210.40, 21,297.60 and 5,433.60

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Solution

The fourth proportional to 14,210.40, 21,297.60 and 5,433.60 is: 8,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.40 : 21,297.60 = 5,433.60 : x
  2. Step 2: Convert to fraction form
    14,210.40/21,297.60 = 5,433.60/x
  3. Step 3: Cross multiply
    14,210.40x = 21,297.60 × 5,433.60
  4. Step 4: Simplify right side
    14,210.40x = 115,722,639.36
  5. Step 5: Solve for x
    x = 115,722,639.36/14,210.40
  6. Step 6: Final answer
    x = 8,143.52

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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.