Home / 22,608.48-31,199.65-12,536.66

Finding the Fourth Proportional to 22,608.48, 31,199.65 and 12,536.66

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Solution

The fourth proportional to 22,608.48, 31,199.65 and 12,536.66 is: 17,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.48 : 31,199.65 = 12,536.66 : x
  2. Step 2: Convert to fraction form
    22,608.48/31,199.65 = 12,536.66/x
  3. Step 3: Cross multiply
    22,608.48x = 31,199.65 × 12,536.66
  4. Step 4: Simplify right side
    22,608.48x = 391,139,450.83
  5. Step 5: Solve for x
    x = 391,139,450.83/22,608.48
  6. Step 6: Final answer
    x = 17,300.56

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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.