Home / 18,111.64-24,994.30-11,038.72

Finding the Fourth Proportional to 18,111.64, 24,994.30 and 11,038.72

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Solution

The fourth proportional to 18,111.64, 24,994.30 and 11,038.72 is: 15,233.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.64 : 24,994.30 = 11,038.72 : x
  2. Step 2: Convert to fraction form
    18,111.64/24,994.30 = 11,038.72/x
  3. Step 3: Cross multiply
    18,111.64x = 24,994.30 × 11,038.72
  4. Step 4: Simplify right side
    18,111.64x = 275,905,079.30
  5. Step 5: Solve for x
    x = 275,905,079.30/18,111.64
  6. Step 6: Final answer
    x = 15,233.58

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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.