Home / 19,154.88-28,726.74-7,465.32

Finding the Fourth Proportional to 19,154.88, 28,726.74 and 7,465.32

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Solution

The fourth proportional to 19,154.88, 28,726.74 and 7,465.32 is: 11,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.88 : 28,726.74 = 7,465.32 : x
  2. Step 2: Convert to fraction form
    19,154.88/28,726.74 = 7,465.32/x
  3. Step 3: Cross multiply
    19,154.88x = 28,726.74 × 7,465.32
  4. Step 4: Simplify right side
    19,154.88x = 214,454,306.66
  5. Step 5: Solve for x
    x = 214,454,306.66/19,154.88
  6. Step 6: Final answer
    x = 11,195.81

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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.