Home / 21,095.44-29,105.13-14,023.06

Finding the Fourth Proportional to 21,095.44, 29,105.13 and 14,023.06

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Solution

The fourth proportional to 21,095.44, 29,105.13 and 14,023.06 is: 19,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.44 : 29,105.13 = 14,023.06 : x
  2. Step 2: Convert to fraction form
    21,095.44/29,105.13 = 14,023.06/x
  3. Step 3: Cross multiply
    21,095.44x = 29,105.13 × 14,023.06
  4. Step 4: Simplify right side
    21,095.44x = 408,142,984.30
  5. Step 5: Solve for x
    x = 408,142,984.30/21,095.44
  6. Step 6: Final answer
    x = 19,347.45

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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.