Home / 14,128.92-19,497.36-7,841.70

Finding the Fourth Proportional to 14,128.92, 19,497.36 and 7,841.70

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Solution

The fourth proportional to 14,128.92, 19,497.36 and 7,841.70 is: 10,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.92 : 19,497.36 = 7,841.70 : x
  2. Step 2: Convert to fraction form
    14,128.92/19,497.36 = 7,841.70/x
  3. Step 3: Cross multiply
    14,128.92x = 19,497.36 × 7,841.70
  4. Step 4: Simplify right side
    14,128.92x = 152,892,447.91
  5. Step 5: Solve for x
    x = 152,892,447.91/14,128.92
  6. Step 6: Final answer
    x = 10,821.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.