Home / 12,555.54-17,325.46-7,519.67

Finding the Fourth Proportional to 12,555.54, 17,325.46 and 7,519.67

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Solution

The fourth proportional to 12,555.54, 17,325.46 and 7,519.67 is: 10,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.54 : 17,325.46 = 7,519.67 : x
  2. Step 2: Convert to fraction form
    12,555.54/17,325.46 = 7,519.67/x
  3. Step 3: Cross multiply
    12,555.54x = 17,325.46 × 7,519.67
  4. Step 4: Simplify right side
    12,555.54x = 130,281,729.54
  5. Step 5: Solve for x
    x = 130,281,729.54/12,555.54
  6. Step 6: Final answer
    x = 10,376.43

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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.