Home / 20,254.01-27,946.05-11,751.21

Finding the Fourth Proportional to 20,254.01, 27,946.05 and 11,751.21

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Solution

The fourth proportional to 20,254.01, 27,946.05 and 11,751.21 is: 16,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.01 : 27,946.05 = 11,751.21 : x
  2. Step 2: Convert to fraction form
    20,254.01/27,946.05 = 11,751.21/x
  3. Step 3: Cross multiply
    20,254.01x = 27,946.05 × 11,751.21
  4. Step 4: Simplify right side
    20,254.01x = 328,399,762.49
  5. Step 5: Solve for x
    x = 328,399,762.49/20,254.01
  6. Step 6: Final answer
    x = 16,214.06

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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.