Home / 22,080.80-30,464.64-13,574.08

Finding the Fourth Proportional to 22,080.80, 30,464.64 and 13,574.08

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Solution

The fourth proportional to 22,080.80, 30,464.64 and 13,574.08 is: 18,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,080.80 : 30,464.64 = 13,574.08 : x
  2. Step 2: Convert to fraction form
    22,080.80/30,464.64 = 13,574.08/x
  3. Step 3: Cross multiply
    22,080.80x = 30,464.64 × 13,574.08
  4. Step 4: Simplify right side
    22,080.80x = 413,529,460.53
  5. Step 5: Solve for x
    x = 413,529,460.53/22,080.80
  6. Step 6: Final answer
    x = 18,728.01

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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.