Home / 14,023.28-21,029.67-4,661.57

Finding the Fourth Proportional to 14,023.28, 21,029.67 and 4,661.57

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Solution

The fourth proportional to 14,023.28, 21,029.67 and 4,661.57 is: 6,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.28 : 21,029.67 = 4,661.57 : x
  2. Step 2: Convert to fraction form
    14,023.28/21,029.67 = 4,661.57/x
  3. Step 3: Cross multiply
    14,023.28x = 21,029.67 × 4,661.57
  4. Step 4: Simplify right side
    14,023.28x = 98,031,243.75
  5. Step 5: Solve for x
    x = 98,031,243.75/14,023.28
  6. Step 6: Final answer
    x = 6,990.61

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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.