Home / 11,055.72-15,256.26-6,087.72

Finding the Fourth Proportional to 11,055.72, 15,256.26 and 6,087.72

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Solution

The fourth proportional to 11,055.72, 15,256.26 and 6,087.72 is: 8,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.72 : 15,256.26 = 6,087.72 : x
  2. Step 2: Convert to fraction form
    11,055.72/15,256.26 = 6,087.72/x
  3. Step 3: Cross multiply
    11,055.72x = 15,256.26 × 6,087.72
  4. Step 4: Simplify right side
    11,055.72x = 92,875,839.13
  5. Step 5: Solve for x
    x = 92,875,839.13/11,055.72
  6. Step 6: Final answer
    x = 8,400.70

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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.