Home / 19,002.24-28,502.88-5,150.88

Finding the Fourth Proportional to 19,002.24, 28,502.88 and 5,150.88

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Solution

The fourth proportional to 19,002.24, 28,502.88 and 5,150.88 is: 7,726.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.24 : 28,502.88 = 5,150.88 : x
  2. Step 2: Convert to fraction form
    19,002.24/28,502.88 = 5,150.88/x
  3. Step 3: Cross multiply
    19,002.24x = 28,502.88 × 5,150.88
  4. Step 4: Simplify right side
    19,002.24x = 146,814,914.53
  5. Step 5: Solve for x
    x = 146,814,914.53/19,002.24
  6. Step 6: Final answer
    x = 7,726.19

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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.