Home / 11,580.06-15,980.49-6,274.87

Finding the Fourth Proportional to 11,580.06, 15,980.49 and 6,274.87

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Solution

The fourth proportional to 11,580.06, 15,980.49 and 6,274.87 is: 8,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.06 : 15,980.49 = 6,274.87 : x
  2. Step 2: Convert to fraction form
    11,580.06/15,980.49 = 6,274.87/x
  3. Step 3: Cross multiply
    11,580.06x = 15,980.49 × 6,274.87
  4. Step 4: Simplify right side
    11,580.06x = 100,275,457.34
  5. Step 5: Solve for x
    x = 100,275,457.34/11,580.06
  6. Step 6: Final answer
    x = 8,659.32

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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.