Home / 10,945.60-16,416.80-4,018.56

Finding the Fourth Proportional to 10,945.60, 16,416.80 and 4,018.56

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Solution

The fourth proportional to 10,945.60, 16,416.80 and 4,018.56 is: 6,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.60 : 16,416.80 = 4,018.56 : x
  2. Step 2: Convert to fraction form
    10,945.60/16,416.80 = 4,018.56/x
  3. Step 3: Cross multiply
    10,945.60x = 16,416.80 × 4,018.56
  4. Step 4: Simplify right side
    10,945.60x = 65,971,895.81
  5. Step 5: Solve for x
    x = 65,971,895.81/10,945.60
  6. Step 6: Final answer
    x = 6,027.25

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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.