Home / 22,315.26-30,794.80-12,883.62

Finding the Fourth Proportional to 22,315.26, 30,794.80 and 12,883.62

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Solution

The fourth proportional to 22,315.26, 30,794.80 and 12,883.62 is: 17,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.26 : 30,794.80 = 12,883.62 : x
  2. Step 2: Convert to fraction form
    22,315.26/30,794.80 = 12,883.62/x
  3. Step 3: Cross multiply
    22,315.26x = 30,794.80 × 12,883.62
  4. Step 4: Simplify right side
    22,315.26x = 396,748,501.18
  5. Step 5: Solve for x
    x = 396,748,501.18/22,315.26
  6. Step 6: Final answer
    x = 17,779.25

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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.