Home / 14,227.12-21,238-13,588.08

Finding the Fourth Proportional to 14,227.12, 21,238 and 13,588.08

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Solution

The fourth proportional to 14,227.12, 21,238 and 13,588.08 is: 20,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.12 : 21,238 = 13,588.08 : x
  2. Step 2: Convert to fraction form
    14,227.12/21,238 = 13,588.08/x
  3. Step 3: Cross multiply
    14,227.12x = 21,238 × 13,588.08
  4. Step 4: Simplify right side
    14,227.12x = 288,583,643.04
  5. Step 5: Solve for x
    x = 288,583,643.04/14,227.12
  6. Step 6: Final answer
    x = 20,284.05

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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.