Home / 19,518.96-29,279.88-7,046.40

Finding the Fourth Proportional to 19,518.96, 29,279.88 and 7,046.40

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Solution

The fourth proportional to 19,518.96, 29,279.88 and 7,046.40 is: 10,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.96 : 29,279.88 = 7,046.40 : x
  2. Step 2: Convert to fraction form
    19,518.96/29,279.88 = 7,046.40/x
  3. Step 3: Cross multiply
    19,518.96x = 29,279.88 × 7,046.40
  4. Step 4: Simplify right side
    19,518.96x = 206,317,746.43
  5. Step 5: Solve for x
    x = 206,317,746.43/19,518.96
  6. Step 6: Final answer
    x = 10,570.12

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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.