Home / 17,987.92-26,979.82-4,841.30

Finding the Fourth Proportional to 17,987.92, 26,979.82 and 4,841.30

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Solution

The fourth proportional to 17,987.92, 26,979.82 and 4,841.30 is: 7,261.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.92 : 26,979.82 = 4,841.30 : x
  2. Step 2: Convert to fraction form
    17,987.92/26,979.82 = 4,841.30/x
  3. Step 3: Cross multiply
    17,987.92x = 26,979.82 × 4,841.30
  4. Step 4: Simplify right side
    17,987.92x = 130,617,457.91
  5. Step 5: Solve for x
    x = 130,617,457.91/17,987.92
  6. Step 6: Final answer
    x = 7,261.40

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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.