Home / 11,126.34-16,690.56-4,106.07

Finding the Fourth Proportional to 11,126.34, 16,690.56 and 4,106.07

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Solution

The fourth proportional to 11,126.34, 16,690.56 and 4,106.07 is: 6,159.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.34 : 16,690.56 = 4,106.07 : x
  2. Step 2: Convert to fraction form
    11,126.34/16,690.56 = 4,106.07/x
  3. Step 3: Cross multiply
    11,126.34x = 16,690.56 × 4,106.07
  4. Step 4: Simplify right side
    11,126.34x = 68,532,607.70
  5. Step 5: Solve for x
    x = 68,532,607.70/11,126.34
  6. Step 6: Final answer
    x = 6,159.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.