Home / 10,445.21-15,663.20-4,894.07

Finding the Fourth Proportional to 10,445.21, 15,663.20 and 4,894.07

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Solution

The fourth proportional to 10,445.21, 15,663.20 and 4,894.07 is: 7,338.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.21 : 15,663.20 = 4,894.07 : x
  2. Step 2: Convert to fraction form
    10,445.21/15,663.20 = 4,894.07/x
  3. Step 3: Cross multiply
    10,445.21x = 15,663.20 × 4,894.07
  4. Step 4: Simplify right side
    10,445.21x = 76,656,694.44
  5. Step 5: Solve for x
    x = 76,656,694.44/10,445.21
  6. Step 6: Final answer
    x = 7,338.94

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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.