Home / 11,263.60-16,871.10-9,319.60

Finding the Fourth Proportional to 11,263.60, 16,871.10 and 9,319.60

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Solution

The fourth proportional to 11,263.60, 16,871.10 and 9,319.60 is: 13,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.60 : 16,871.10 = 9,319.60 : x
  2. Step 2: Convert to fraction form
    11,263.60/16,871.10 = 9,319.60/x
  3. Step 3: Cross multiply
    11,263.60x = 16,871.10 × 9,319.60
  4. Step 4: Simplify right side
    11,263.60x = 157,231,903.56
  5. Step 5: Solve for x
    x = 157,231,903.56/11,263.60
  6. Step 6: Final answer
    x = 13,959.29

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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.