Home / 14,055.66-21,081.05-5,290.64

Finding the Fourth Proportional to 14,055.66, 21,081.05 and 5,290.64

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Solution

The fourth proportional to 14,055.66, 21,081.05 and 5,290.64 is: 7,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.66 : 21,081.05 = 5,290.64 : x
  2. Step 2: Convert to fraction form
    14,055.66/21,081.05 = 5,290.64/x
  3. Step 3: Cross multiply
    14,055.66x = 21,081.05 × 5,290.64
  4. Step 4: Simplify right side
    14,055.66x = 111,532,246.37
  5. Step 5: Solve for x
    x = 111,532,246.37/14,055.66
  6. Step 6: Final answer
    x = 7,935.04

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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.