Home / 14,945.40-22,420.80-6,181.20

Finding the Fourth Proportional to 14,945.40, 22,420.80 and 6,181.20

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Solution

The fourth proportional to 14,945.40, 22,420.80 and 6,181.20 is: 9,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.40 : 22,420.80 = 6,181.20 : x
  2. Step 2: Convert to fraction form
    14,945.40/22,420.80 = 6,181.20/x
  3. Step 3: Cross multiply
    14,945.40x = 22,420.80 × 6,181.20
  4. Step 4: Simplify right side
    14,945.40x = 138,587,448.96
  5. Step 5: Solve for x
    x = 138,587,448.96/14,945.40
  6. Step 6: Final answer
    x = 9,272.92

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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.