Home / 20,263.64-30,401.04-7,114.28

Finding the Fourth Proportional to 20,263.64, 30,401.04 and 7,114.28

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Solution

The fourth proportional to 20,263.64, 30,401.04 and 7,114.28 is: 10,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.64 : 30,401.04 = 7,114.28 : x
  2. Step 2: Convert to fraction form
    20,263.64/30,401.04 = 7,114.28/x
  3. Step 3: Cross multiply
    20,263.64x = 30,401.04 × 7,114.28
  4. Step 4: Simplify right side
    20,263.64x = 216,281,510.85
  5. Step 5: Solve for x
    x = 216,281,510.85/20,263.64
  6. Step 6: Final answer
    x = 10,673.38

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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.