Home / 13,341.60-18,412.38-8,039.34

Finding the Fourth Proportional to 13,341.60, 18,412.38 and 8,039.34

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Solution

The fourth proportional to 13,341.60, 18,412.38 and 8,039.34 is: 11,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.60 : 18,412.38 = 8,039.34 : x
  2. Step 2: Convert to fraction form
    13,341.60/18,412.38 = 8,039.34/x
  3. Step 3: Cross multiply
    13,341.60x = 18,412.38 × 8,039.34
  4. Step 4: Simplify right side
    13,341.60x = 148,023,383.03
  5. Step 5: Solve for x
    x = 148,023,383.03/13,341.60
  6. Step 6: Final answer
    x = 11,094.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.