Home / 19,162.17-28,726.20-7,472.70

Finding the Fourth Proportional to 19,162.17, 28,726.20 and 7,472.70

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Solution

The fourth proportional to 19,162.17, 28,726.20 and 7,472.70 is: 11,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.17 : 28,726.20 = 7,472.70 : x
  2. Step 2: Convert to fraction form
    19,162.17/28,726.20 = 7,472.70/x
  3. Step 3: Cross multiply
    19,162.17x = 28,726.20 × 7,472.70
  4. Step 4: Simplify right side
    19,162.17x = 214,662,274.74
  5. Step 5: Solve for x
    x = 214,662,274.74/19,162.17
  6. Step 6: Final answer
    x = 11,202.40

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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.