Home / 11,177.74-15,427.56-6,461.38

Finding the Fourth Proportional to 11,177.74, 15,427.56 and 6,461.38

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Solution

The fourth proportional to 11,177.74, 15,427.56 and 6,461.38 is: 8,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.74 : 15,427.56 = 6,461.38 : x
  2. Step 2: Convert to fraction form
    11,177.74/15,427.56 = 6,461.38/x
  3. Step 3: Cross multiply
    11,177.74x = 15,427.56 × 6,461.38
  4. Step 4: Simplify right side
    11,177.74x = 99,683,327.63
  5. Step 5: Solve for x
    x = 99,683,327.63/11,177.74
  6. Step 6: Final answer
    x = 8,918.02

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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.