Home / 14,225.09-21,343.28-7,201.31

Finding the Fourth Proportional to 14,225.09, 21,343.28 and 7,201.31

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Solution

The fourth proportional to 14,225.09, 21,343.28 and 7,201.31 is: 10,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.09 : 21,343.28 = 7,201.31 : x
  2. Step 2: Convert to fraction form
    14,225.09/21,343.28 = 7,201.31/x
  3. Step 3: Cross multiply
    14,225.09x = 21,343.28 × 7,201.31
  4. Step 4: Simplify right side
    14,225.09x = 153,699,432.97
  5. Step 5: Solve for x
    x = 153,699,432.97/14,225.09
  6. Step 6: Final answer
    x = 10,804.82

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1.5x scale

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.