Home / 11,331.63-16,994.40-7,165.39

Finding the Fourth Proportional to 11,331.63, 16,994.40 and 7,165.39

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Solution

The fourth proportional to 11,331.63, 16,994.40 and 7,165.39 is: 10,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.63 : 16,994.40 = 7,165.39 : x
  2. Step 2: Convert to fraction form
    11,331.63/16,994.40 = 7,165.39/x
  3. Step 3: Cross multiply
    11,331.63x = 16,994.40 × 7,165.39
  4. Step 4: Simplify right side
    11,331.63x = 121,771,503.82
  5. Step 5: Solve for x
    x = 121,771,503.82/11,331.63
  6. Step 6: Final answer
    x = 10,746.16

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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.