Home / 11,580.35-15,980.89-6,275.16

Finding the Fourth Proportional to 11,580.35, 15,980.89 and 6,275.16

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Solution

The fourth proportional to 11,580.35, 15,980.89 and 6,275.16 is: 8,659.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.35 : 15,980.89 = 6,275.16 : x
  2. Step 2: Convert to fraction form
    11,580.35/15,980.89 = 6,275.16/x
  3. Step 3: Cross multiply
    11,580.35x = 15,980.89 × 6,275.16
  4. Step 4: Simplify right side
    11,580.35x = 100,282,626.00
  5. Step 5: Solve for x
    x = 100,282,626.00/11,580.35
  6. Step 6: Final answer
    x = 8,659.73

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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.