Home / 10,621.25-15,930.08-3,223.93

Finding the Fourth Proportional to 10,621.25, 15,930.08 and 3,223.93

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Solution

The fourth proportional to 10,621.25, 15,930.08 and 3,223.93 is: 4,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.25 : 15,930.08 = 3,223.93 : x
  2. Step 2: Convert to fraction form
    10,621.25/15,930.08 = 3,223.93/x
  3. Step 3: Cross multiply
    10,621.25x = 15,930.08 × 3,223.93
  4. Step 4: Simplify right side
    10,621.25x = 51,357,462.81
  5. Step 5: Solve for x
    x = 51,357,462.81/10,621.25
  6. Step 6: Final answer
    x = 4,835.35

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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.