Home / 14,283.90-21,422.55-5,400.18

Finding the Fourth Proportional to 14,283.90, 21,422.55 and 5,400.18

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Solution

The fourth proportional to 14,283.90, 21,422.55 and 5,400.18 is: 8,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.90 : 21,422.55 = 5,400.18 : x
  2. Step 2: Convert to fraction form
    14,283.90/21,422.55 = 5,400.18/x
  3. Step 3: Cross multiply
    14,283.90x = 21,422.55 × 5,400.18
  4. Step 4: Simplify right side
    14,283.90x = 115,685,626.06
  5. Step 5: Solve for x
    x = 115,685,626.06/14,283.90
  6. Step 6: Final answer
    x = 8,099.02

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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.