Home / 10,418.42-14,362.48-7,429.07

Finding the Fourth Proportional to 10,418.42, 14,362.48 and 7,429.07

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Solution

The fourth proportional to 10,418.42, 14,362.48 and 7,429.07 is: 10,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.42 : 14,362.48 = 7,429.07 : x
  2. Step 2: Convert to fraction form
    10,418.42/14,362.48 = 7,429.07/x
  3. Step 3: Cross multiply
    10,418.42x = 14,362.48 × 7,429.07
  4. Step 4: Simplify right side
    10,418.42x = 106,699,914.49
  5. Step 5: Solve for x
    x = 106,699,914.49/10,418.42
  6. Step 6: Final answer
    x = 10,241.47

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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.