Home / 10,622.70-15,933.96-4,386.06

Finding the Fourth Proportional to 10,622.70, 15,933.96 and 4,386.06

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Solution

The fourth proportional to 10,622.70, 15,933.96 and 4,386.06 is: 6,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.70 : 15,933.96 = 4,386.06 : x
  2. Step 2: Convert to fraction form
    10,622.70/15,933.96 = 4,386.06/x
  3. Step 3: Cross multiply
    10,622.70x = 15,933.96 × 4,386.06
  4. Step 4: Simplify right side
    10,622.70x = 69,887,304.60
  5. Step 5: Solve for x
    x = 69,887,304.60/10,622.70
  6. Step 6: Final answer
    x = 6,579.05

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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.