Home / 19,166.79-28,740.46-8,769.63

Finding the Fourth Proportional to 19,166.79, 28,740.46 and 8,769.63

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Solution

The fourth proportional to 19,166.79, 28,740.46 and 8,769.63 is: 13,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.79 : 28,740.46 = 8,769.63 : x
  2. Step 2: Convert to fraction form
    19,166.79/28,740.46 = 8,769.63/x
  3. Step 3: Cross multiply
    19,166.79x = 28,740.46 × 8,769.63
  4. Step 4: Simplify right side
    19,166.79x = 252,043,200.23
  5. Step 5: Solve for x
    x = 252,043,200.23/19,166.79
  6. Step 6: Final answer
    x = 13,150.00

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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.