Home / 11,159.38-15,399.34-6,123.51

Finding the Fourth Proportional to 11,159.38, 15,399.34 and 6,123.51

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Solution

The fourth proportional to 11,159.38, 15,399.34 and 6,123.51 is: 8,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.38 : 15,399.34 = 6,123.51 : x
  2. Step 2: Convert to fraction form
    11,159.38/15,399.34 = 6,123.51/x
  3. Step 3: Cross multiply
    11,159.38x = 15,399.34 × 6,123.51
  4. Step 4: Simplify right side
    11,159.38x = 94,298,012.48
  5. Step 5: Solve for x
    x = 94,298,012.48/11,159.38
  6. Step 6: Final answer
    x = 8,450.11

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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.