Home / 10,464.31-14,442.87-6,429.30

Finding the Fourth Proportional to 10,464.31, 14,442.87 and 6,429.30

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Solution

The fourth proportional to 10,464.31, 14,442.87 and 6,429.30 is: 8,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.31 : 14,442.87 = 6,429.30 : x
  2. Step 2: Convert to fraction form
    10,464.31/14,442.87 = 6,429.30/x
  3. Step 3: Cross multiply
    10,464.31x = 14,442.87 × 6,429.30
  4. Step 4: Simplify right side
    10,464.31x = 92,857,544.09
  5. Step 5: Solve for x
    x = 92,857,544.09/10,464.31
  6. Step 6: Final answer
    x = 8,873.74

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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.