Home / 10,369.09-14,309.36-5,653.36

Finding the Fourth Proportional to 10,369.09, 14,309.36 and 5,653.36

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Solution

The fourth proportional to 10,369.09, 14,309.36 and 5,653.36 is: 7,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.09 : 14,309.36 = 5,653.36 : x
  2. Step 2: Convert to fraction form
    10,369.09/14,309.36 = 5,653.36/x
  3. Step 3: Cross multiply
    10,369.09x = 14,309.36 × 5,653.36
  4. Step 4: Simplify right side
    10,369.09x = 80,895,963.45
  5. Step 5: Solve for x
    x = 80,895,963.45/10,369.09
  6. Step 6: Final answer
    x = 7,801.65

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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.