Home / 10,178.96-14,042.03-8,389.26

Finding the Fourth Proportional to 10,178.96, 14,042.03 and 8,389.26

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Solution

The fourth proportional to 10,178.96, 14,042.03 and 8,389.26 is: 11,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.96 : 14,042.03 = 8,389.26 : x
  2. Step 2: Convert to fraction form
    10,178.96/14,042.03 = 8,389.26/x
  3. Step 3: Cross multiply
    10,178.96x = 14,042.03 × 8,389.26
  4. Step 4: Simplify right side
    10,178.96x = 117,802,261.57
  5. Step 5: Solve for x
    x = 117,802,261.57/10,178.96
  6. Step 6: Final answer
    x = 11,573.12

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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.