Home / 21,606.01-29,821.85-14,071.12

Finding the Fourth Proportional to 21,606.01, 29,821.85 and 14,071.12

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Solution

The fourth proportional to 21,606.01, 29,821.85 and 14,071.12 is: 19,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.01 : 29,821.85 = 14,071.12 : x
  2. Step 2: Convert to fraction form
    21,606.01/29,821.85 = 14,071.12/x
  3. Step 3: Cross multiply
    21,606.01x = 29,821.85 × 14,071.12
  4. Step 4: Simplify right side
    21,606.01x = 419,626,829.97
  5. Step 5: Solve for x
    x = 419,626,829.97/21,606.01
  6. Step 6: Final answer
    x = 19,421.76

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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.