Home / 15,430.23-23,113.04-12,791.48

Finding the Fourth Proportional to 15,430.23, 23,113.04 and 12,791.48

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Solution

The fourth proportional to 15,430.23, 23,113.04 and 12,791.48 is: 19,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.23 : 23,113.04 = 12,791.48 : x
  2. Step 2: Convert to fraction form
    15,430.23/23,113.04 = 12,791.48/x
  3. Step 3: Cross multiply
    15,430.23x = 23,113.04 × 12,791.48
  4. Step 4: Simplify right side
    15,430.23x = 295,649,809.38
  5. Step 5: Solve for x
    x = 295,649,809.38/15,430.23
  6. Step 6: Final answer
    x = 19,160.43

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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.