Home / 10,453.54-15,680.12-4,213.42

Finding the Fourth Proportional to 10,453.54, 15,680.12 and 4,213.42

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Solution

The fourth proportional to 10,453.54, 15,680.12 and 4,213.42 is: 6,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.54 : 15,680.12 = 4,213.42 : x
  2. Step 2: Convert to fraction form
    10,453.54/15,680.12 = 4,213.42/x
  3. Step 3: Cross multiply
    10,453.54x = 15,680.12 × 4,213.42
  4. Step 4: Simplify right side
    10,453.54x = 66,066,888.72
  5. Step 5: Solve for x
    x = 66,066,888.72/10,453.54
  6. Step 6: Final answer
    x = 6,320.05

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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.