Home / 14,138.13-21,204.46-4,275.10

Finding the Fourth Proportional to 14,138.13, 21,204.46 and 4,275.10

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Solution

The fourth proportional to 14,138.13, 21,204.46 and 4,275.10 is: 6,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.13 : 21,204.46 = 4,275.10 : x
  2. Step 2: Convert to fraction form
    14,138.13/21,204.46 = 4,275.10/x
  3. Step 3: Cross multiply
    14,138.13x = 21,204.46 × 4,275.10
  4. Step 4: Simplify right side
    14,138.13x = 90,651,059.55
  5. Step 5: Solve for x
    x = 90,651,059.55/14,138.13
  6. Step 6: Final answer
    x = 6,411.81

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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.