Home / 11,130.63-16,692.52-7,331.10

Finding the Fourth Proportional to 11,130.63, 16,692.52 and 7,331.10

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Solution

The fourth proportional to 11,130.63, 16,692.52 and 7,331.10 is: 10,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.63 : 16,692.52 = 7,331.10 : x
  2. Step 2: Convert to fraction form
    11,130.63/16,692.52 = 7,331.10/x
  3. Step 3: Cross multiply
    11,130.63x = 16,692.52 × 7,331.10
  4. Step 4: Simplify right side
    11,130.63x = 122,374,533.37
  5. Step 5: Solve for x
    x = 122,374,533.37/11,130.63
  6. Step 6: Final answer
    x = 10,994.39

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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.