Home / 20,214.72-27,897.02-11,262.77

Finding the Fourth Proportional to 20,214.72, 27,897.02 and 11,262.77

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Solution

The fourth proportional to 20,214.72, 27,897.02 and 11,262.77 is: 15,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.72 : 27,897.02 = 11,262.77 : x
  2. Step 2: Convert to fraction form
    20,214.72/27,897.02 = 11,262.77/x
  3. Step 3: Cross multiply
    20,214.72x = 27,897.02 × 11,262.77
  4. Step 4: Simplify right side
    20,214.72x = 314,197,817.84
  5. Step 5: Solve for x
    x = 314,197,817.84/20,214.72
  6. Step 6: Final answer
    x = 15,543.02

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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.