Home / 9,349.20-14,004.60-7,621.20

Finding the Fourth Proportional to 9,349.20, 14,004.60 and 7,621.20

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Solution

The fourth proportional to 9,349.20, 14,004.60 and 7,621.20 is: 11,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,349.20 : 14,004.60 = 7,621.20 : x
  2. Step 2: Convert to fraction form
    9,349.20/14,004.60 = 7,621.20/x
  3. Step 3: Cross multiply
    9,349.20x = 14,004.60 × 7,621.20
  4. Step 4: Simplify right side
    9,349.20x = 106,731,857.52
  5. Step 5: Solve for x
    x = 106,731,857.52/9,349.20
  6. Step 6: Final answer
    x = 11,416.15

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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.