Home / 14,531.05-20,050.36-9,144.03

Finding the Fourth Proportional to 14,531.05, 20,050.36 and 9,144.03

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Solution

The fourth proportional to 14,531.05, 20,050.36 and 9,144.03 is: 12,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.05 : 20,050.36 = 9,144.03 : x
  2. Step 2: Convert to fraction form
    14,531.05/20,050.36 = 9,144.03/x
  3. Step 3: Cross multiply
    14,531.05x = 20,050.36 × 9,144.03
  4. Step 4: Simplify right side
    14,531.05x = 183,341,093.35
  5. Step 5: Solve for x
    x = 183,341,093.35/14,531.05
  6. Step 6: Final answer
    x = 12,617.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.