Home / 12,177.20-16,804.40-6,588.16

Finding the Fourth Proportional to 12,177.20, 16,804.40 and 6,588.16

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Solution

The fourth proportional to 12,177.20, 16,804.40 and 6,588.16 is: 9,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.20 : 16,804.40 = 6,588.16 : x
  2. Step 2: Convert to fraction form
    12,177.20/16,804.40 = 6,588.16/x
  3. Step 3: Cross multiply
    12,177.20x = 16,804.40 × 6,588.16
  4. Step 4: Simplify right side
    12,177.20x = 110,710,075.90
  5. Step 5: Solve for x
    x = 110,710,075.90/12,177.20
  6. Step 6: Final answer
    x = 9,091.59

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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.