Home / 20,953.01-31,429.67-6,162.14

Finding the Fourth Proportional to 20,953.01, 31,429.67 and 6,162.14

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Solution

The fourth proportional to 20,953.01, 31,429.67 and 6,162.14 is: 9,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953.01 : 31,429.67 = 6,162.14 : x
  2. Step 2: Convert to fraction form
    20,953.01/31,429.67 = 6,162.14/x
  3. Step 3: Cross multiply
    20,953.01x = 31,429.67 × 6,162.14
  4. Step 4: Simplify right side
    20,953.01x = 193,674,074.46
  5. Step 5: Solve for x
    x = 193,674,074.46/20,953.01
  6. Step 6: Final answer
    x = 9,243.26

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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.