Home / 19,174.80-28,752.45-8,777.64

Finding the Fourth Proportional to 19,174.80, 28,752.45 and 8,777.64

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Solution

The fourth proportional to 19,174.80, 28,752.45 and 8,777.64 is: 13,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.80 : 28,752.45 = 8,777.64 : x
  2. Step 2: Convert to fraction form
    19,174.80/28,752.45 = 8,777.64/x
  3. Step 3: Cross multiply
    19,174.80x = 28,752.45 × 8,777.64
  4. Step 4: Simplify right side
    19,174.80x = 252,378,655.22
  5. Step 5: Solve for x
    x = 252,378,655.22/19,174.80
  6. Step 6: Final answer
    x = 13,162.00

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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.