Home / 20,153.61-30,225.56-6,302.61

Finding the Fourth Proportional to 20,153.61, 30,225.56 and 6,302.61

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Solution

The fourth proportional to 20,153.61, 30,225.56 and 6,302.61 is: 9,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.61 : 30,225.56 = 6,302.61 : x
  2. Step 2: Convert to fraction form
    20,153.61/30,225.56 = 6,302.61/x
  3. Step 3: Cross multiply
    20,153.61x = 30,225.56 × 6,302.61
  4. Step 4: Simplify right side
    20,153.61x = 190,499,885.20
  5. Step 5: Solve for x
    x = 190,499,885.20/20,153.61
  6. Step 6: Final answer
    x = 9,452.40

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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.