Home / 10,788.12-16,188.36-4,944.78

Finding the Fourth Proportional to 10,788.12, 16,188.36 and 4,944.78

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Solution

The fourth proportional to 10,788.12, 16,188.36 and 4,944.78 is: 7,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.12 : 16,188.36 = 4,944.78 : x
  2. Step 2: Convert to fraction form
    10,788.12/16,188.36 = 4,944.78/x
  3. Step 3: Cross multiply
    10,788.12x = 16,188.36 × 4,944.78
  4. Step 4: Simplify right side
    10,788.12x = 80,047,878.76
  5. Step 5: Solve for x
    x = 80,047,878.76/10,788.12
  6. Step 6: Final answer
    x = 7,420.00

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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.