Home / 15,604.50-21,536.62-9,941.70

Finding the Fourth Proportional to 15,604.50, 21,536.62 and 9,941.70

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Solution

The fourth proportional to 15,604.50, 21,536.62 and 9,941.70 is: 13,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.50 : 21,536.62 = 9,941.70 : x
  2. Step 2: Convert to fraction form
    15,604.50/21,536.62 = 9,941.70/x
  3. Step 3: Cross multiply
    15,604.50x = 21,536.62 × 9,941.70
  4. Step 4: Simplify right side
    15,604.50x = 214,110,615.05
  5. Step 5: Solve for x
    x = 214,110,615.05/15,604.50
  6. Step 6: Final answer
    x = 13,721.08

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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.