Home / 9,426.20-14,129.70-5,528.60

Finding the Fourth Proportional to 9,426.20, 14,129.70 and 5,528.60

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Solution

The fourth proportional to 9,426.20, 14,129.70 and 5,528.60 is: 8,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.20 : 14,129.70 = 5,528.60 : x
  2. Step 2: Convert to fraction form
    9,426.20/14,129.70 = 5,528.60/x
  3. Step 3: Cross multiply
    9,426.20x = 14,129.70 × 5,528.60
  4. Step 4: Simplify right side
    9,426.20x = 78,117,459.42
  5. Step 5: Solve for x
    x = 78,117,459.42/9,426.20
  6. Step 6: Final answer
    x = 8,287.27

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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.