Home / 15,181.50-22,775.61-6,423.90

Finding the Fourth Proportional to 15,181.50, 22,775.61 and 6,423.90

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Solution

The fourth proportional to 15,181.50, 22,775.61 and 6,423.90 is: 9,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.50 : 22,775.61 = 6,423.90 : x
  2. Step 2: Convert to fraction form
    15,181.50/22,775.61 = 6,423.90/x
  3. Step 3: Cross multiply
    15,181.50x = 22,775.61 × 6,423.90
  4. Step 4: Simplify right side
    15,181.50x = 146,308,241.08
  5. Step 5: Solve for x
    x = 146,308,241.08/15,181.50
  6. Step 6: Final answer
    x = 9,637.27

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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.