Home / 14,974.84-20,652.15-11,989.58

Finding the Fourth Proportional to 14,974.84, 20,652.15 and 11,989.58

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Solution

The fourth proportional to 14,974.84, 20,652.15 and 11,989.58 is: 16,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.84 : 20,652.15 = 11,989.58 : x
  2. Step 2: Convert to fraction form
    14,974.84/20,652.15 = 11,989.58/x
  3. Step 3: Cross multiply
    14,974.84x = 20,652.15 × 11,989.58
  4. Step 4: Simplify right side
    14,974.84x = 247,610,656.23
  5. Step 5: Solve for x
    x = 247,610,656.23/14,974.84
  6. Step 6: Final answer
    x = 16,535.11

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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.