Home / 18,744.54-28,130.64-8,883.83

Finding the Fourth Proportional to 18,744.54, 28,130.64 and 8,883.83

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Solution

The fourth proportional to 18,744.54, 28,130.64 and 8,883.83 is: 13,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.54 : 28,130.64 = 8,883.83 : x
  2. Step 2: Convert to fraction form
    18,744.54/28,130.64 = 8,883.83/x
  3. Step 3: Cross multiply
    18,744.54x = 28,130.64 × 8,883.83
  4. Step 4: Simplify right side
    18,744.54x = 249,907,752.30
  5. Step 5: Solve for x
    x = 249,907,752.30/18,744.54
  6. Step 6: Final answer
    x = 13,332.30

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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.