Home / 21,237.44-29,308.68-12,284.48

Finding the Fourth Proportional to 21,237.44, 29,308.68 and 12,284.48

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Solution

The fourth proportional to 21,237.44, 29,308.68 and 12,284.48 is: 16,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,237.44 : 29,308.68 = 12,284.48 : x
  2. Step 2: Convert to fraction form
    21,237.44/29,308.68 = 12,284.48/x
  3. Step 3: Cross multiply
    21,237.44x = 29,308.68 × 12,284.48
  4. Step 4: Simplify right side
    21,237.44x = 360,041,893.29
  5. Step 5: Solve for x
    x = 360,041,893.29/21,237.44
  6. Step 6: Final answer
    x = 16,953.17

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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.