Home / 14,904.24-20,568.36-8,190.48

Finding the Fourth Proportional to 14,904.24, 20,568.36 and 8,190.48

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Solution

The fourth proportional to 14,904.24, 20,568.36 and 8,190.48 is: 11,303.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.24 : 20,568.36 = 8,190.48 : x
  2. Step 2: Convert to fraction form
    14,904.24/20,568.36 = 8,190.48/x
  3. Step 3: Cross multiply
    14,904.24x = 20,568.36 × 8,190.48
  4. Step 4: Simplify right side
    14,904.24x = 168,464,741.21
  5. Step 5: Solve for x
    x = 168,464,741.21/14,904.24
  6. Step 6: Final answer
    x = 11,303.14

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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.