Home / 14,250.08-21,375.12-3,720.07

Finding the Fourth Proportional to 14,250.08, 21,375.12 and 3,720.07

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Solution

The fourth proportional to 14,250.08, 21,375.12 and 3,720.07 is: 5,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.08 : 21,375.12 = 3,720.07 : x
  2. Step 2: Convert to fraction form
    14,250.08/21,375.12 = 3,720.07/x
  3. Step 3: Cross multiply
    14,250.08x = 21,375.12 × 3,720.07
  4. Step 4: Simplify right side
    14,250.08x = 79,516,817.18
  5. Step 5: Solve for x
    x = 79,516,817.18/14,250.08
  6. Step 6: Final answer
    x = 5,580.10

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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.