Home / 16,678.15-23,015.76-9,124.35

Finding the Fourth Proportional to 16,678.15, 23,015.76 and 9,124.35

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Solution

The fourth proportional to 16,678.15, 23,015.76 and 9,124.35 is: 12,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.15 : 23,015.76 = 9,124.35 : x
  2. Step 2: Convert to fraction form
    16,678.15/23,015.76 = 9,124.35/x
  3. Step 3: Cross multiply
    16,678.15x = 23,015.76 × 9,124.35
  4. Step 4: Simplify right side
    16,678.15x = 210,003,780.56
  5. Step 5: Solve for x
    x = 210,003,780.56/16,678.15
  6. Step 6: Final answer
    x = 12,591.55

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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.