Home / 15,484.80-23,212.91-5,621.43

Finding the Fourth Proportional to 15,484.80, 23,212.91 and 5,621.43

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Solution

The fourth proportional to 15,484.80, 23,212.91 and 5,621.43 is: 8,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.80 : 23,212.91 = 5,621.43 : x
  2. Step 2: Convert to fraction form
    15,484.80/23,212.91 = 5,621.43/x
  3. Step 3: Cross multiply
    15,484.80x = 23,212.91 × 5,621.43
  4. Step 4: Simplify right side
    15,484.80x = 130,489,849.76
  5. Step 5: Solve for x
    x = 130,489,849.76/15,484.80
  6. Step 6: Final answer
    x = 8,426.96

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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.