Home / 13,783.52-20,671.62-5,990.50

Finding the Fourth Proportional to 13,783.52, 20,671.62 and 5,990.50

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Solution

The fourth proportional to 13,783.52, 20,671.62 and 5,990.50 is: 8,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.52 : 20,671.62 = 5,990.50 : x
  2. Step 2: Convert to fraction form
    13,783.52/20,671.62 = 5,990.50/x
  3. Step 3: Cross multiply
    13,783.52x = 20,671.62 × 5,990.50
  4. Step 4: Simplify right side
    13,783.52x = 123,833,339.61
  5. Step 5: Solve for x
    x = 123,833,339.61/13,783.52
  6. Step 6: Final answer
    x = 8,984.16

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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.