Home / 11,186.26-15,437.08-6,406.28

Finding the Fourth Proportional to 11,186.26, 15,437.08 and 6,406.28

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Solution

The fourth proportional to 11,186.26, 15,437.08 and 6,406.28 is: 8,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.26 : 15,437.08 = 6,406.28 : x
  2. Step 2: Convert to fraction form
    11,186.26/15,437.08 = 6,406.28/x
  3. Step 3: Cross multiply
    11,186.26x = 15,437.08 × 6,406.28
  4. Step 4: Simplify right side
    11,186.26x = 98,894,256.86
  5. Step 5: Solve for x
    x = 98,894,256.86/11,186.26
  6. Step 6: Final answer
    x = 8,840.69

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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.