Home / 10,407.87-14,362.62-6,376.27

Finding the Fourth Proportional to 10,407.87, 14,362.62 and 6,376.27

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Solution

The fourth proportional to 10,407.87, 14,362.62 and 6,376.27 is: 8,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.87 : 14,362.62 = 6,376.27 : x
  2. Step 2: Convert to fraction form
    10,407.87/14,362.62 = 6,376.27/x
  3. Step 3: Cross multiply
    10,407.87x = 14,362.62 × 6,376.27
  4. Step 4: Simplify right side
    10,407.87x = 91,579,910.14
  5. Step 5: Solve for x
    x = 91,579,910.14/10,407.87
  6. Step 6: Final answer
    x = 8,799.10

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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.