Home / 10,220.64-15,330.80-2,824.93

Finding the Fourth Proportional to 10,220.64, 15,330.80 and 2,824.93

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Solution

The fourth proportional to 10,220.64, 15,330.80 and 2,824.93 is: 4,237.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.64 : 15,330.80 = 2,824.93 : x
  2. Step 2: Convert to fraction form
    10,220.64/15,330.80 = 2,824.93/x
  3. Step 3: Cross multiply
    10,220.64x = 15,330.80 × 2,824.93
  4. Step 4: Simplify right side
    10,220.64x = 43,308,463.07
  5. Step 5: Solve for x
    x = 43,308,463.07/10,220.64
  6. Step 6: Final answer
    x = 4,237.35

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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.