Home / 10,361.10-15,530.13-6,206.70

Finding the Fourth Proportional to 10,361.10, 15,530.13 and 6,206.70

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Solution

The fourth proportional to 10,361.10, 15,530.13 and 6,206.70 is: 9,303.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.10 : 15,530.13 = 6,206.70 : x
  2. Step 2: Convert to fraction form
    10,361.10/15,530.13 = 6,206.70/x
  3. Step 3: Cross multiply
    10,361.10x = 15,530.13 × 6,206.70
  4. Step 4: Simplify right side
    10,361.10x = 96,390,857.87
  5. Step 5: Solve for x
    x = 96,390,857.87/10,361.10
  6. Step 6: Final answer
    x = 9,303.15

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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.