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Finding the Fourth Proportional to 17,364.40, 26,046.60 and 14,642.80

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Solution

The fourth proportional to 17,364.40, 26,046.60 and 14,642.80 is: 21,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,364.40 : 26,046.60 = 14,642.80 : x
  2. Step 2: Convert to fraction form
    17,364.40/26,046.60 = 14,642.80/x
  3. Step 3: Cross multiply
    17,364.40x = 26,046.60 × 14,642.80
  4. Step 4: Simplify right side
    17,364.40x = 381,395,154.48
  5. Step 5: Solve for x
    x = 381,395,154.48/17,364.40
  6. Step 6: Final answer
    x = 21,964.20

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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.