Home / 20,303.35-28,017.46-11,228.17

Finding the Fourth Proportional to 20,303.35, 28,017.46 and 11,228.17

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Solution

The fourth proportional to 20,303.35, 28,017.46 and 11,228.17 is: 15,494.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.35 : 28,017.46 = 11,228.17 : x
  2. Step 2: Convert to fraction form
    20,303.35/28,017.46 = 11,228.17/x
  3. Step 3: Cross multiply
    20,303.35x = 28,017.46 × 11,228.17
  4. Step 4: Simplify right side
    20,303.35x = 314,584,803.85
  5. Step 5: Solve for x
    x = 314,584,803.85/20,303.35
  6. Step 6: Final answer
    x = 15,494.23

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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.