Home / 9,426.60-14,139.42-3,189.60

Finding the Fourth Proportional to 9,426.60, 14,139.42 and 3,189.60

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Solution

The fourth proportional to 9,426.60, 14,139.42 and 3,189.60 is: 4,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.60 : 14,139.42 = 3,189.60 : x
  2. Step 2: Convert to fraction form
    9,426.60/14,139.42 = 3,189.60/x
  3. Step 3: Cross multiply
    9,426.60x = 14,139.42 × 3,189.60
  4. Step 4: Simplify right side
    9,426.60x = 45,099,094.03
  5. Step 5: Solve for x
    x = 45,099,094.03/9,426.60
  6. Step 6: Final answer
    x = 4,784.24

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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.