Home / 10,438.48-14,401.02-9,112.24

Finding the Fourth Proportional to 10,438.48, 14,401.02 and 9,112.24

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Solution

The fourth proportional to 10,438.48, 14,401.02 and 9,112.24 is: 12,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.48 : 14,401.02 = 9,112.24 : x
  2. Step 2: Convert to fraction form
    10,438.48/14,401.02 = 9,112.24/x
  3. Step 3: Cross multiply
    10,438.48x = 14,401.02 × 9,112.24
  4. Step 4: Simplify right side
    10,438.48x = 131,225,550.48
  5. Step 5: Solve for x
    x = 131,225,550.48/10,438.48
  6. Step 6: Final answer
    x = 12,571.33

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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.