Home / 15,201.86-22,692.79-13,135.16

Finding the Fourth Proportional to 15,201.86, 22,692.79 and 13,135.16

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Solution

The fourth proportional to 15,201.86, 22,692.79 and 13,135.16 is: 19,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201.86 : 22,692.79 = 13,135.16 : x
  2. Step 2: Convert to fraction form
    15,201.86/22,692.79 = 13,135.16/x
  3. Step 3: Cross multiply
    15,201.86x = 22,692.79 × 13,135.16
  4. Step 4: Simplify right side
    15,201.86x = 298,073,427.50
  5. Step 5: Solve for x
    x = 298,073,427.50/15,201.86
  6. Step 6: Final answer
    x = 19,607.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.