Home / 10,210.34-15,317.67-3,638.54

Finding the Fourth Proportional to 10,210.34, 15,317.67 and 3,638.54

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Solution

The fourth proportional to 10,210.34, 15,317.67 and 3,638.54 is: 5,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.34 : 15,317.67 = 3,638.54 : x
  2. Step 2: Convert to fraction form
    10,210.34/15,317.67 = 3,638.54/x
  3. Step 3: Cross multiply
    10,210.34x = 15,317.67 × 3,638.54
  4. Step 4: Simplify right side
    10,210.34x = 55,733,955.00
  5. Step 5: Solve for x
    x = 55,733,955.00/10,210.34
  6. Step 6: Final answer
    x = 5,458.58

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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.