Home / 19,206.96-28,810.10-6,726.71

Finding the Fourth Proportional to 19,206.96, 28,810.10 and 6,726.71

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Solution

The fourth proportional to 19,206.96, 28,810.10 and 6,726.71 is: 10,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.96 : 28,810.10 = 6,726.71 : x
  2. Step 2: Convert to fraction form
    19,206.96/28,810.10 = 6,726.71/x
  3. Step 3: Cross multiply
    19,206.96x = 28,810.10 × 6,726.71
  4. Step 4: Simplify right side
    19,206.96x = 193,797,187.77
  5. Step 5: Solve for x
    x = 193,797,187.77/19,206.96
  6. Step 6: Final answer
    x = 10,089.95

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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.