Home / 11,177.51-15,425.24-6,142.06

Finding the Fourth Proportional to 11,177.51, 15,425.24 and 6,142.06

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Solution

The fourth proportional to 11,177.51, 15,425.24 and 6,142.06 is: 8,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.51 : 15,425.24 = 6,142.06 : x
  2. Step 2: Convert to fraction form
    11,177.51/15,425.24 = 6,142.06/x
  3. Step 3: Cross multiply
    11,177.51x = 15,425.24 × 6,142.06
  4. Step 4: Simplify right side
    11,177.51x = 94,742,680.32
  5. Step 5: Solve for x
    x = 94,742,680.32/11,177.51
  6. Step 6: Final answer
    x = 8,476.19

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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.