Home / 14,558.20-21,837.30-9,309.40

Finding the Fourth Proportional to 14,558.20, 21,837.30 and 9,309.40

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Solution

The fourth proportional to 14,558.20, 21,837.30 and 9,309.40 is: 13,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.20 : 21,837.30 = 9,309.40 : x
  2. Step 2: Convert to fraction form
    14,558.20/21,837.30 = 9,309.40/x
  3. Step 3: Cross multiply
    14,558.20x = 21,837.30 × 9,309.40
  4. Step 4: Simplify right side
    14,558.20x = 203,292,160.62
  5. Step 5: Solve for x
    x = 203,292,160.62/14,558.20
  6. Step 6: Final answer
    x = 13,964.10

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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.