Home / 12,312.06-18,467.46-4,520.25

Finding the Fourth Proportional to 12,312.06, 18,467.46 and 4,520.25

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Solution

The fourth proportional to 12,312.06, 18,467.46 and 4,520.25 is: 6,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312.06 : 18,467.46 = 4,520.25 : x
  2. Step 2: Convert to fraction form
    12,312.06/18,467.46 = 4,520.25/x
  3. Step 3: Cross multiply
    12,312.06x = 18,467.46 × 4,520.25
  4. Step 4: Simplify right side
    12,312.06x = 83,477,536.07
  5. Step 5: Solve for x
    x = 83,477,536.07/12,312.06
  6. Step 6: Final answer
    x = 6,780.14

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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.