Home / 10,510.37-15,765.48-3,114.86

Finding the Fourth Proportional to 10,510.37, 15,765.48 and 3,114.86

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Solution

The fourth proportional to 10,510.37, 15,765.48 and 3,114.86 is: 4,672.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.37 : 15,765.48 = 3,114.86 : x
  2. Step 2: Convert to fraction form
    10,510.37/15,765.48 = 3,114.86/x
  3. Step 3: Cross multiply
    10,510.37x = 15,765.48 × 3,114.86
  4. Step 4: Simplify right side
    10,510.37x = 49,107,247.46
  5. Step 5: Solve for x
    x = 49,107,247.46/10,510.37
  6. Step 6: Final answer
    x = 4,672.27

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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.