Home / 12,173.16-18,260.79-4,275.00

Finding the Fourth Proportional to 12,173.16, 18,260.79 and 4,275.00

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Solution

The fourth proportional to 12,173.16, 18,260.79 and 4,275.00 is: 6,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173.16 : 18,260.79 = 4,275.00 : x
  2. Step 2: Convert to fraction form
    12,173.16/18,260.79 = 4,275.00/x
  3. Step 3: Cross multiply
    12,173.16x = 18,260.79 × 4,275.00
  4. Step 4: Simplify right side
    12,173.16x = 78,064,764.57
  5. Step 5: Solve for x
    x = 78,064,764.57/12,173.16
  6. Step 6: Final answer
    x = 6,412.86

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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.