Home / 13,468.44-18,586.32-7,499.76

Finding the Fourth Proportional to 13,468.44, 18,586.32 and 7,499.76

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Solution

The fourth proportional to 13,468.44, 18,586.32 and 7,499.76 is: 10,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.44 : 18,586.32 = 7,499.76 : x
  2. Step 2: Convert to fraction form
    13,468.44/18,586.32 = 7,499.76/x
  3. Step 3: Cross multiply
    13,468.44x = 18,586.32 × 7,499.76
  4. Step 4: Simplify right side
    13,468.44x = 139,392,939.28
  5. Step 5: Solve for x
    x = 139,392,939.28/13,468.44
  6. Step 6: Final answer
    x = 10,349.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.