Home / 14,274.39-21,412.17-3,886.14

Finding the Fourth Proportional to 14,274.39, 21,412.17 and 3,886.14

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Solution

The fourth proportional to 14,274.39, 21,412.17 and 3,886.14 is: 5,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.39 : 21,412.17 = 3,886.14 : x
  2. Step 2: Convert to fraction form
    14,274.39/21,412.17 = 3,886.14/x
  3. Step 3: Cross multiply
    14,274.39x = 21,412.17 × 3,886.14
  4. Step 4: Simplify right side
    14,274.39x = 83,210,690.32
  5. Step 5: Solve for x
    x = 83,210,690.32/14,274.39
  6. Step 6: Final answer
    x = 5,829.37

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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.