Home / 13,848.38-20,783.41-9,661.15

Finding the Fourth Proportional to 13,848.38, 20,783.41 and 9,661.15

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Solution

The fourth proportional to 13,848.38, 20,783.41 and 9,661.15 is: 14,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.38 : 20,783.41 = 9,661.15 : x
  2. Step 2: Convert to fraction form
    13,848.38/20,783.41 = 9,661.15/x
  3. Step 3: Cross multiply
    13,848.38x = 20,783.41 × 9,661.15
  4. Step 4: Simplify right side
    13,848.38x = 200,791,641.52
  5. Step 5: Solve for x
    x = 200,791,641.52/13,848.38
  6. Step 6: Final answer
    x = 14,499.29

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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.