Home / 14,622.42-20,159.19-12,628.74

Finding the Fourth Proportional to 14,622.42, 20,159.19 and 12,628.74

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Solution

The fourth proportional to 14,622.42, 20,159.19 and 12,628.74 is: 17,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.42 : 20,159.19 = 12,628.74 : x
  2. Step 2: Convert to fraction form
    14,622.42/20,159.19 = 12,628.74/x
  3. Step 3: Cross multiply
    14,622.42x = 20,159.19 × 12,628.74
  4. Step 4: Simplify right side
    14,622.42x = 254,585,169.12
  5. Step 5: Solve for x
    x = 254,585,169.12/14,622.42
  6. Step 6: Final answer
    x = 17,410.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.