Home / 12,210.04-16,850.72-7,431.88

Finding the Fourth Proportional to 12,210.04, 16,850.72 and 7,431.88

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Solution

The fourth proportional to 12,210.04, 16,850.72 and 7,431.88 is: 10,256.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.04 : 16,850.72 = 7,431.88 : x
  2. Step 2: Convert to fraction form
    12,210.04/16,850.72 = 7,431.88/x
  3. Step 3: Cross multiply
    12,210.04x = 16,850.72 × 7,431.88
  4. Step 4: Simplify right side
    12,210.04x = 125,232,528.95
  5. Step 5: Solve for x
    x = 125,232,528.95/12,210.04
  6. Step 6: Final answer
    x = 10,256.52

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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.