Home / 12,251.90-18,387.10-8,973.49

Finding the Fourth Proportional to 12,251.90, 18,387.10 and 8,973.49

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Solution

The fourth proportional to 12,251.90, 18,387.10 and 8,973.49 is: 13,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.90 : 18,387.10 = 8,973.49 : x
  2. Step 2: Convert to fraction form
    12,251.90/18,387.10 = 8,973.49/x
  3. Step 3: Cross multiply
    12,251.90x = 18,387.10 × 8,973.49
  4. Step 4: Simplify right side
    12,251.90x = 164,996,457.98
  5. Step 5: Solve for x
    x = 164,996,457.98/12,251.90
  6. Step 6: Final answer
    x = 13,467.01

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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.