Home / 21,374.90-29,496.44-11,814.29

Finding the Fourth Proportional to 21,374.90, 29,496.44 and 11,814.29

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Solution

The fourth proportional to 21,374.90, 29,496.44 and 11,814.29 is: 16,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.90 : 29,496.44 = 11,814.29 : x
  2. Step 2: Convert to fraction form
    21,374.90/29,496.44 = 11,814.29/x
  3. Step 3: Cross multiply
    21,374.90x = 29,496.44 × 11,814.29
  4. Step 4: Simplify right side
    21,374.90x = 348,479,496.13
  5. Step 5: Solve for x
    x = 348,479,496.13/21,374.90
  6. Step 6: Final answer
    x = 16,303.21

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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.