Home / 10,435.55-15,614.08-7,321.63

Finding the Fourth Proportional to 10,435.55, 15,614.08 and 7,321.63

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Solution

The fourth proportional to 10,435.55, 15,614.08 and 7,321.63 is: 10,954.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.55 : 15,614.08 = 7,321.63 : x
  2. Step 2: Convert to fraction form
    10,435.55/15,614.08 = 7,321.63/x
  3. Step 3: Cross multiply
    10,435.55x = 15,614.08 × 7,321.63
  4. Step 4: Simplify right side
    10,435.55x = 114,320,516.55
  5. Step 5: Solve for x
    x = 114,320,516.55/10,435.55
  6. Step 6: Final answer
    x = 10,954.91

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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.