Home / 10,918.26-16,374.96-4,342.68

Finding the Fourth Proportional to 10,918.26, 16,374.96 and 4,342.68

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Solution

The fourth proportional to 10,918.26, 16,374.96 and 4,342.68 is: 6,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.26 : 16,374.96 = 4,342.68 : x
  2. Step 2: Convert to fraction form
    10,918.26/16,374.96 = 4,342.68/x
  3. Step 3: Cross multiply
    10,918.26x = 16,374.96 × 4,342.68
  4. Step 4: Simplify right side
    10,918.26x = 71,111,211.29
  5. Step 5: Solve for x
    x = 71,111,211.29/10,918.26
  6. Step 6: Final answer
    x = 6,513.05

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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.