Home / 20,004.98-27,603.59-12,459.83

Finding the Fourth Proportional to 20,004.98, 27,603.59 and 12,459.83

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Solution

The fourth proportional to 20,004.98, 27,603.59 and 12,459.83 is: 17,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.98 : 27,603.59 = 12,459.83 : x
  2. Step 2: Convert to fraction form
    20,004.98/27,603.59 = 12,459.83/x
  3. Step 3: Cross multiply
    20,004.98x = 27,603.59 × 12,459.83
  4. Step 4: Simplify right side
    20,004.98x = 343,935,838.47
  5. Step 5: Solve for x
    x = 343,935,838.47/20,004.98
  6. Step 6: Final answer
    x = 17,192.52

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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.