Home / 12,599.46-18,905.67-9,165.06

Finding the Fourth Proportional to 12,599.46, 18,905.67 and 9,165.06

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Solution

The fourth proportional to 12,599.46, 18,905.67 and 9,165.06 is: 13,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.46 : 18,905.67 = 9,165.06 : x
  2. Step 2: Convert to fraction form
    12,599.46/18,905.67 = 9,165.06/x
  3. Step 3: Cross multiply
    12,599.46x = 18,905.67 × 9,165.06
  4. Step 4: Simplify right side
    12,599.46x = 173,271,599.89
  5. Step 5: Solve for x
    x = 173,271,599.89/12,599.46
  6. Step 6: Final answer
    x = 13,752.30

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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.