Home / 14,320.44-21,513.60-10,170.54

Finding the Fourth Proportional to 14,320.44, 21,513.60 and 10,170.54

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Solution

The fourth proportional to 14,320.44, 21,513.60 and 10,170.54 is: 15,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.44 : 21,513.60 = 10,170.54 : x
  2. Step 2: Convert to fraction form
    14,320.44/21,513.60 = 10,170.54/x
  3. Step 3: Cross multiply
    14,320.44x = 21,513.60 × 10,170.54
  4. Step 4: Simplify right side
    14,320.44x = 218,804,929.34
  5. Step 5: Solve for x
    x = 218,804,929.34/14,320.44
  6. Step 6: Final answer
    x = 15,279.20

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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.