Home / 21,407.00-29,541.44-11,975.63

Finding the Fourth Proportional to 21,407.00, 29,541.44 and 11,975.63

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Solution

The fourth proportional to 21,407.00, 29,541.44 and 11,975.63 is: 16,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407.00 : 29,541.44 = 11,975.63 : x
  2. Step 2: Convert to fraction form
    21,407.00/29,541.44 = 11,975.63/x
  3. Step 3: Cross multiply
    21,407.00x = 29,541.44 × 11,975.63
  4. Step 4: Simplify right side
    21,407.00x = 353,777,237.34
  5. Step 5: Solve for x
    x = 353,777,237.34/21,407.00
  6. Step 6: Final answer
    x = 16,526.24

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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.