Home / 10,780.56-16,181.64-9,677.34

Finding the Fourth Proportional to 10,780.56, 16,181.64 and 9,677.34

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Solution

The fourth proportional to 10,780.56, 16,181.64 and 9,677.34 is: 14,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.56 : 16,181.64 = 9,677.34 : x
  2. Step 2: Convert to fraction form
    10,780.56/16,181.64 = 9,677.34/x
  3. Step 3: Cross multiply
    10,780.56x = 16,181.64 × 9,677.34
  4. Step 4: Simplify right side
    10,780.56x = 156,595,232.04
  5. Step 5: Solve for x
    x = 156,595,232.04/10,780.56
  6. Step 6: Final answer
    x = 14,525.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.