Home / 14,782.42-22,181.19-6,989.14

Finding the Fourth Proportional to 14,782.42, 22,181.19 and 6,989.14

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Solution

The fourth proportional to 14,782.42, 22,181.19 and 6,989.14 is: 10,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.42 : 22,181.19 = 6,989.14 : x
  2. Step 2: Convert to fraction form
    14,782.42/22,181.19 = 6,989.14/x
  3. Step 3: Cross multiply
    14,782.42x = 22,181.19 × 6,989.14
  4. Step 4: Simplify right side
    14,782.42x = 155,027,442.28
  5. Step 5: Solve for x
    x = 155,027,442.28/14,782.42
  6. Step 6: Final answer
    x = 10,487.28

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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.