Home / 19,894.13-29,841.20-5,103.05

Finding the Fourth Proportional to 19,894.13, 29,841.20 and 5,103.05

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Solution

The fourth proportional to 19,894.13, 29,841.20 and 5,103.05 is: 7,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.13 : 29,841.20 = 5,103.05 : x
  2. Step 2: Convert to fraction form
    19,894.13/29,841.20 = 5,103.05/x
  3. Step 3: Cross multiply
    19,894.13x = 29,841.20 × 5,103.05
  4. Step 4: Simplify right side
    19,894.13x = 152,281,111.12
  5. Step 5: Solve for x
    x = 152,281,111.12/19,894.13
  6. Step 6: Final answer
    x = 7,654.57

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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.