Home / 10,303.22-15,452.67-2,905.70

Finding the Fourth Proportional to 10,303.22, 15,452.67 and 2,905.70

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Solution

The fourth proportional to 10,303.22, 15,452.67 and 2,905.70 is: 4,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.22 : 15,452.67 = 2,905.70 : x
  2. Step 2: Convert to fraction form
    10,303.22/15,452.67 = 2,905.70/x
  3. Step 3: Cross multiply
    10,303.22x = 15,452.67 × 2,905.70
  4. Step 4: Simplify right side
    10,303.22x = 44,900,731.43
  5. Step 5: Solve for x
    x = 44,900,731.43/10,303.22
  6. Step 6: Final answer
    x = 4,357.93

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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.