Home / 20,492.20-30,734.10-5,697.40

Finding the Fourth Proportional to 20,492.20, 30,734.10 and 5,697.40

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Solution

The fourth proportional to 20,492.20, 30,734.10 and 5,697.40 is: 8,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.20 : 30,734.10 = 5,697.40 : x
  2. Step 2: Convert to fraction form
    20,492.20/30,734.10 = 5,697.40/x
  3. Step 3: Cross multiply
    20,492.20x = 30,734.10 × 5,697.40
  4. Step 4: Simplify right side
    20,492.20x = 175,104,461.34
  5. Step 5: Solve for x
    x = 175,104,461.34/20,492.20
  6. Step 6: Final answer
    x = 8,544.93

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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.