Home / 12,401.60-18,576.32-10,068.80

Finding the Fourth Proportional to 12,401.60, 18,576.32 and 10,068.80

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Solution

The fourth proportional to 12,401.60, 18,576.32 and 10,068.80 is: 15,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,401.60 : 18,576.32 = 10,068.80 : x
  2. Step 2: Convert to fraction form
    12,401.60/18,576.32 = 10,068.80/x
  3. Step 3: Cross multiply
    12,401.60x = 18,576.32 × 10,068.80
  4. Step 4: Simplify right side
    12,401.60x = 187,041,250.82
  5. Step 5: Solve for x
    x = 187,041,250.82/12,401.60
  6. Step 6: Final answer
    x = 15,082.03

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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.