Home / 19,133.99-28,701.27-7,288.42

Finding the Fourth Proportional to 19,133.99, 28,701.27 and 7,288.42

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Solution

The fourth proportional to 19,133.99, 28,701.27 and 7,288.42 is: 10,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.99 : 28,701.27 = 7,288.42 : x
  2. Step 2: Convert to fraction form
    19,133.99/28,701.27 = 7,288.42/x
  3. Step 3: Cross multiply
    19,133.99x = 28,701.27 × 7,288.42
  4. Step 4: Simplify right side
    19,133.99x = 209,186,910.29
  5. Step 5: Solve for x
    x = 209,186,910.29/19,133.99
  6. Step 6: Final answer
    x = 10,932.74

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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.