Home / 10,392.56-14,356.20-9,273.12

Finding the Fourth Proportional to 10,392.56, 14,356.20 and 9,273.12

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Solution

The fourth proportional to 10,392.56, 14,356.20 and 9,273.12 is: 12,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.56 : 14,356.20 = 9,273.12 : x
  2. Step 2: Convert to fraction form
    10,392.56/14,356.20 = 9,273.12/x
  3. Step 3: Cross multiply
    10,392.56x = 14,356.20 × 9,273.12
  4. Step 4: Simplify right side
    10,392.56x = 133,126,765.34
  5. Step 5: Solve for x
    x = 133,126,765.34/10,392.56
  6. Step 6: Final answer
    x = 12,809.81

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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.