Home / 10,455.42-14,435.24-6,480.75

Finding the Fourth Proportional to 10,455.42, 14,435.24 and 6,480.75

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Solution

The fourth proportional to 10,455.42, 14,435.24 and 6,480.75 is: 8,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.42 : 14,435.24 = 6,480.75 : x
  2. Step 2: Convert to fraction form
    10,455.42/14,435.24 = 6,480.75/x
  3. Step 3: Cross multiply
    10,455.42x = 14,435.24 × 6,480.75
  4. Step 4: Simplify right side
    10,455.42x = 93,551,149.23
  5. Step 5: Solve for x
    x = 93,551,149.23/10,455.42
  6. Step 6: Final answer
    x = 8,947.62

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Double scale
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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.