Home / 13,335.92-20,003.90-9,875.60

Finding the Fourth Proportional to 13,335.92, 20,003.90 and 9,875.60

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Solution

The fourth proportional to 13,335.92, 20,003.90 and 9,875.60 is: 14,813.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.92 : 20,003.90 = 9,875.60 : x
  2. Step 2: Convert to fraction form
    13,335.92/20,003.90 = 9,875.60/x
  3. Step 3: Cross multiply
    13,335.92x = 20,003.90 × 9,875.60
  4. Step 4: Simplify right side
    13,335.92x = 197,550,514.84
  5. Step 5: Solve for x
    x = 197,550,514.84/13,335.92
  6. Step 6: Final answer
    x = 14,813.41

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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.