Home / 12,165.20-16,788.00-6,576.20

Finding the Fourth Proportional to 12,165.20, 16,788.00 and 6,576.20

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Solution

The fourth proportional to 12,165.20, 16,788.00 and 6,576.20 is: 9,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.20 : 16,788.00 = 6,576.20 : x
  2. Step 2: Convert to fraction form
    12,165.20/16,788.00 = 6,576.20/x
  3. Step 3: Cross multiply
    12,165.20x = 16,788.00 × 6,576.20
  4. Step 4: Simplify right side
    12,165.20x = 110,401,312.23
  5. Step 5: Solve for x
    x = 110,401,312.23/12,165.20
  6. Step 6: Final answer
    x = 9,075.17

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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.