Home / 15,923.55-21,973.93-8,849.50

Finding the Fourth Proportional to 15,923.55, 21,973.93 and 8,849.50

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Solution

The fourth proportional to 15,923.55, 21,973.93 and 8,849.50 is: 12,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.55 : 21,973.93 = 8,849.50 : x
  2. Step 2: Convert to fraction form
    15,923.55/21,973.93 = 8,849.50/x
  3. Step 3: Cross multiply
    15,923.55x = 21,973.93 × 8,849.50
  4. Step 4: Simplify right side
    15,923.55x = 194,458,293.54
  5. Step 5: Solve for x
    x = 194,458,293.54/15,923.55
  6. Step 6: Final answer
    x = 12,211.99

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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.