Home / 14,130.70-19,500.45-8,828.60

Finding the Fourth Proportional to 14,130.70, 19,500.45 and 8,828.60

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Solution

The fourth proportional to 14,130.70, 19,500.45 and 8,828.60 is: 12,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.70 : 19,500.45 = 8,828.60 : x
  2. Step 2: Convert to fraction form
    14,130.70/19,500.45 = 8,828.60/x
  3. Step 3: Cross multiply
    14,130.70x = 19,500.45 × 8,828.60
  4. Step 4: Simplify right side
    14,130.70x = 172,161,542.26
  5. Step 5: Solve for x
    x = 172,161,542.26/14,130.70
  6. Step 6: Final answer
    x = 12,183.51

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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.