Home / 14,004.40-21,008.88-4,144.68

Finding the Fourth Proportional to 14,004.40, 21,008.88 and 4,144.68

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Solution

The fourth proportional to 14,004.40, 21,008.88 and 4,144.68 is: 6,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.40 : 21,008.88 = 4,144.68 : x
  2. Step 2: Convert to fraction form
    14,004.40/21,008.88 = 4,144.68/x
  3. Step 3: Cross multiply
    14,004.40x = 21,008.88 × 4,144.68
  4. Step 4: Simplify right side
    14,004.40x = 87,075,084.76
  5. Step 5: Solve for x
    x = 87,075,084.76/14,004.40
  6. Step 6: Final answer
    x = 6,217.69

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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.