Home / 18,026.40-24,869.79-11,312.28

Finding the Fourth Proportional to 18,026.40, 24,869.79 and 11,312.28

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Solution

The fourth proportional to 18,026.40, 24,869.79 and 11,312.28 is: 15,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.40 : 24,869.79 = 11,312.28 : x
  2. Step 2: Convert to fraction form
    18,026.40/24,869.79 = 11,312.28/x
  3. Step 3: Cross multiply
    18,026.40x = 24,869.79 × 11,312.28
  4. Step 4: Simplify right side
    18,026.40x = 281,334,028.02
  5. Step 5: Solve for x
    x = 281,334,028.02/18,026.40
  6. Step 6: Final answer
    x = 15,606.78

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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.