Home / 10,394.78-14,344.80-5,918.53

Finding the Fourth Proportional to 10,394.78, 14,344.80 and 5,918.53

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Solution

The fourth proportional to 10,394.78, 14,344.80 and 5,918.53 is: 8,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.78 : 14,344.80 = 5,918.53 : x
  2. Step 2: Convert to fraction form
    10,394.78/14,344.80 = 5,918.53/x
  3. Step 3: Cross multiply
    10,394.78x = 14,344.80 × 5,918.53
  4. Step 4: Simplify right side
    10,394.78x = 84,900,108.08
  5. Step 5: Solve for x
    x = 84,900,108.08/10,394.78
  6. Step 6: Final answer
    x = 8,167.58

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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.