Home / 14,010.59-21,015.28-3,480.37

Finding the Fourth Proportional to 14,010.59, 21,015.28 and 3,480.37

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Solution

The fourth proportional to 14,010.59, 21,015.28 and 3,480.37 is: 5,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.59 : 21,015.28 = 3,480.37 : x
  2. Step 2: Convert to fraction form
    14,010.59/21,015.28 = 3,480.37/x
  3. Step 3: Cross multiply
    14,010.59x = 21,015.28 × 3,480.37
  4. Step 4: Simplify right side
    14,010.59x = 73,140,950.05
  5. Step 5: Solve for x
    x = 73,140,950.05/14,010.59
  6. Step 6: Final answer
    x = 5,220.40

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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.