Home / 12,434.61-18,623.22-11,327.45

Finding the Fourth Proportional to 12,434.61, 18,623.22 and 11,327.45

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Solution

The fourth proportional to 12,434.61, 18,623.22 and 11,327.45 is: 16,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.61 : 18,623.22 = 11,327.45 : x
  2. Step 2: Convert to fraction form
    12,434.61/18,623.22 = 11,327.45/x
  3. Step 3: Cross multiply
    12,434.61x = 18,623.22 × 11,327.45
  4. Step 4: Simplify right side
    12,434.61x = 210,953,457.79
  5. Step 5: Solve for x
    x = 210,953,457.79/12,434.61
  6. Step 6: Final answer
    x = 16,965.02

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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.