Home / 11,126.43-15,356.16-6,346.35

Finding the Fourth Proportional to 11,126.43, 15,356.16 and 6,346.35

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Solution

The fourth proportional to 11,126.43, 15,356.16 and 6,346.35 is: 8,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.43 : 15,356.16 = 6,346.35 : x
  2. Step 2: Convert to fraction form
    11,126.43/15,356.16 = 6,346.35/x
  3. Step 3: Cross multiply
    11,126.43x = 15,356.16 × 6,346.35
  4. Step 4: Simplify right side
    11,126.43x = 97,455,566.02
  5. Step 5: Solve for x
    x = 97,455,566.02/11,126.43
  6. Step 6: Final answer
    x = 8,758.93

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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.