Home / 14,223.44-21,335.16-4,987.28

Finding the Fourth Proportional to 14,223.44, 21,335.16 and 4,987.28

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Solution

The fourth proportional to 14,223.44, 21,335.16 and 4,987.28 is: 7,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.44 : 21,335.16 = 4,987.28 : x
  2. Step 2: Convert to fraction form
    14,223.44/21,335.16 = 4,987.28/x
  3. Step 3: Cross multiply
    14,223.44x = 21,335.16 × 4,987.28
  4. Step 4: Simplify right side
    14,223.44x = 106,404,416.76
  5. Step 5: Solve for x
    x = 106,404,416.76/14,223.44
  6. Step 6: Final answer
    x = 7,480.92

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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.