Home / 14,129.03-19,498.11-7,841.41

Finding the Fourth Proportional to 14,129.03, 19,498.11 and 7,841.41

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Solution

The fourth proportional to 14,129.03, 19,498.11 and 7,841.41 is: 10,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.03 : 19,498.11 = 7,841.41 : x
  2. Step 2: Convert to fraction form
    14,129.03/19,498.11 = 7,841.41/x
  3. Step 3: Cross multiply
    14,129.03x = 19,498.11 × 7,841.41
  4. Step 4: Simplify right side
    14,129.03x = 152,892,674.74
  5. Step 5: Solve for x
    x = 152,892,674.74/14,129.03
  6. Step 6: Final answer
    x = 10,821.17

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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.