Home / 11,190.43-16,785.65-5,263.63

Finding the Fourth Proportional to 11,190.43, 16,785.65 and 5,263.63

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Solution

The fourth proportional to 11,190.43, 16,785.65 and 5,263.63 is: 7,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.43 : 16,785.65 = 5,263.63 : x
  2. Step 2: Convert to fraction form
    11,190.43/16,785.65 = 5,263.63/x
  3. Step 3: Cross multiply
    11,190.43x = 16,785.65 × 5,263.63
  4. Step 4: Simplify right side
    11,190.43x = 88,353,486.92
  5. Step 5: Solve for x
    x = 88,353,486.92/11,190.43
  6. Step 6: Final answer
    x = 7,895.45

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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.