Home / 13,807.06-20,577.37-13,785.10

Finding the Fourth Proportional to 13,807.06, 20,577.37 and 13,785.10

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Solution

The fourth proportional to 13,807.06, 20,577.37 and 13,785.10 is: 20,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807.06 : 20,577.37 = 13,785.10 : x
  2. Step 2: Convert to fraction form
    13,807.06/20,577.37 = 13,785.10/x
  3. Step 3: Cross multiply
    13,807.06x = 20,577.37 × 13,785.10
  4. Step 4: Simplify right side
    13,807.06x = 283,661,103.19
  5. Step 5: Solve for x
    x = 283,661,103.19/13,807.06
  6. Step 6: Final answer
    x = 20,544.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.