Home / 15,737.55-23,584.73-12,821.55

Finding the Fourth Proportional to 15,737.55, 23,584.73 and 12,821.55

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Solution

The fourth proportional to 15,737.55, 23,584.73 and 12,821.55 is: 19,214.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.55 : 23,584.73 = 12,821.55 : x
  2. Step 2: Convert to fraction form
    15,737.55/23,584.73 = 12,821.55/x
  3. Step 3: Cross multiply
    15,737.55x = 23,584.73 × 12,821.55
  4. Step 4: Simplify right side
    15,737.55x = 302,392,730.82
  5. Step 5: Solve for x
    x = 302,392,730.82/15,737.55
  6. Step 6: Final answer
    x = 19,214.73

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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.