Home / 20,303.24-28,017.32-11,348.96

Finding the Fourth Proportional to 20,303.24, 28,017.32 and 11,348.96

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Solution

The fourth proportional to 20,303.24, 28,017.32 and 11,348.96 is: 15,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.24 : 28,017.32 = 11,348.96 : x
  2. Step 2: Convert to fraction form
    20,303.24/28,017.32 = 11,348.96/x
  3. Step 3: Cross multiply
    20,303.24x = 28,017.32 × 11,348.96
  4. Step 4: Simplify right side
    20,303.24x = 317,967,443.99
  5. Step 5: Solve for x
    x = 317,967,443.99/20,303.24
  6. Step 6: Final answer
    x = 15,660.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.