Home / 14,055.42-21,086.22-5,290.32

Finding the Fourth Proportional to 14,055.42, 21,086.22 and 5,290.32

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Solution

The fourth proportional to 14,055.42, 21,086.22 and 5,290.32 is: 7,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.42 : 21,086.22 = 5,290.32 : x
  2. Step 2: Convert to fraction form
    14,055.42/21,086.22 = 5,290.32/x
  3. Step 3: Cross multiply
    14,055.42x = 21,086.22 × 5,290.32
  4. Step 4: Simplify right side
    14,055.42x = 111,552,851.39
  5. Step 5: Solve for x
    x = 111,552,851.39/14,055.42
  6. Step 6: Final answer
    x = 7,936.64

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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.