Home / 15,604.34-21,529.65-9,314.42

Finding the Fourth Proportional to 15,604.34, 21,529.65 and 9,314.42

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Solution

The fourth proportional to 15,604.34, 21,529.65 and 9,314.42 is: 12,851.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.34 : 21,529.65 = 9,314.42 : x
  2. Step 2: Convert to fraction form
    15,604.34/21,529.65 = 9,314.42/x
  3. Step 3: Cross multiply
    15,604.34x = 21,529.65 × 9,314.42
  4. Step 4: Simplify right side
    15,604.34x = 200,536,202.55
  5. Step 5: Solve for x
    x = 200,536,202.55/15,604.34
  6. Step 6: Final answer
    x = 12,851.31

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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.