Home / 10,433.16-14,389.38-9,171.52

Finding the Fourth Proportional to 10,433.16, 14,389.38 and 9,171.52

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Solution

The fourth proportional to 10,433.16, 14,389.38 and 9,171.52 is: 12,649.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.16 : 14,389.38 = 9,171.52 : x
  2. Step 2: Convert to fraction form
    10,433.16/14,389.38 = 9,171.52/x
  3. Step 3: Cross multiply
    10,433.16x = 14,389.38 × 9,171.52
  4. Step 4: Simplify right side
    10,433.16x = 131,972,450.48
  5. Step 5: Solve for x
    x = 131,972,450.48/10,433.16
  6. Step 6: Final answer
    x = 12,649.33

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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.