Home / 12,579.48-17,359.98-6,914.18

Finding the Fourth Proportional to 12,579.48, 17,359.98 and 6,914.18

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Solution

The fourth proportional to 12,579.48, 17,359.98 and 6,914.18 is: 9,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579.48 : 17,359.98 = 6,914.18 : x
  2. Step 2: Convert to fraction form
    12,579.48/17,359.98 = 6,914.18/x
  3. Step 3: Cross multiply
    12,579.48x = 17,359.98 × 6,914.18
  4. Step 4: Simplify right side
    12,579.48x = 120,030,052.63
  5. Step 5: Solve for x
    x = 120,030,052.63/12,579.48
  6. Step 6: Final answer
    x = 9,541.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.