Home / 16,003.40-23,961.90-12,547.40

Finding the Fourth Proportional to 16,003.40, 23,961.90 and 12,547.40

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Solution

The fourth proportional to 16,003.40, 23,961.90 and 12,547.40 is: 18,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,003.40 : 23,961.90 = 12,547.40 : x
  2. Step 2: Convert to fraction form
    16,003.40/23,961.90 = 12,547.40/x
  3. Step 3: Cross multiply
    16,003.40x = 23,961.90 × 12,547.40
  4. Step 4: Simplify right side
    16,003.40x = 300,659,544.06
  5. Step 5: Solve for x
    x = 300,659,544.06/16,003.40
  6. Step 6: Final answer
    x = 18,787.23

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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.