Home / 10,276.40-14,181.38-5,560.66

Finding the Fourth Proportional to 10,276.40, 14,181.38 and 5,560.66

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Solution

The fourth proportional to 10,276.40, 14,181.38 and 5,560.66 is: 7,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.40 : 14,181.38 = 5,560.66 : x
  2. Step 2: Convert to fraction form
    10,276.40/14,181.38 = 5,560.66/x
  3. Step 3: Cross multiply
    10,276.40x = 14,181.38 × 5,560.66
  4. Step 4: Simplify right side
    10,276.40x = 78,857,832.51
  5. Step 5: Solve for x
    x = 78,857,832.51/10,276.40
  6. Step 6: Final answer
    x = 7,673.68

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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.