Home / 14,348.78-21,521.55-4,987.22

Finding the Fourth Proportional to 14,348.78, 21,521.55 and 4,987.22

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Solution

The fourth proportional to 14,348.78, 21,521.55 and 4,987.22 is: 7,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.78 : 21,521.55 = 4,987.22 : x
  2. Step 2: Convert to fraction form
    14,348.78/21,521.55 = 4,987.22/x
  3. Step 3: Cross multiply
    14,348.78x = 21,521.55 × 4,987.22
  4. Step 4: Simplify right side
    14,348.78x = 107,332,704.59
  5. Step 5: Solve for x
    x = 107,332,704.59/14,348.78
  6. Step 6: Final answer
    x = 7,480.27

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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.