Home / 18,342.26-27,515.21-6,656.39

Finding the Fourth Proportional to 18,342.26, 27,515.21 and 6,656.39

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Solution

The fourth proportional to 18,342.26, 27,515.21 and 6,656.39 is: 9,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.26 : 27,515.21 = 6,656.39 : x
  2. Step 2: Convert to fraction form
    18,342.26/27,515.21 = 6,656.39/x
  3. Step 3: Cross multiply
    18,342.26x = 27,515.21 × 6,656.39
  4. Step 4: Simplify right side
    18,342.26x = 183,151,968.69
  5. Step 5: Solve for x
    x = 183,151,968.69/18,342.26
  6. Step 6: Final answer
    x = 9,985.25

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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.