Home / 10,330.81-14,256.62-6,138.25

Finding the Fourth Proportional to 10,330.81, 14,256.62 and 6,138.25

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Solution

The fourth proportional to 10,330.81, 14,256.62 and 6,138.25 is: 8,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.81 : 14,256.62 = 6,138.25 : x
  2. Step 2: Convert to fraction form
    10,330.81/14,256.62 = 6,138.25/x
  3. Step 3: Cross multiply
    10,330.81x = 14,256.62 × 6,138.25
  4. Step 4: Simplify right side
    10,330.81x = 87,510,697.72
  5. Step 5: Solve for x
    x = 87,510,697.72/10,330.81
  6. Step 6: Final answer
    x = 8,470.85

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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.