Home / 19,897.45-27,457.90-10,944.95

Finding the Fourth Proportional to 19,897.45, 27,457.90 and 10,944.95

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Solution

The fourth proportional to 19,897.45, 27,457.90 and 10,944.95 is: 15,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.45 : 27,457.90 = 10,944.95 : x
  2. Step 2: Convert to fraction form
    19,897.45/27,457.90 = 10,944.95/x
  3. Step 3: Cross multiply
    19,897.45x = 27,457.90 × 10,944.95
  4. Step 4: Simplify right side
    19,897.45x = 300,525,177.95
  5. Step 5: Solve for x
    x = 300,525,177.95/19,897.45
  6. Step 6: Final answer
    x = 15,103.71

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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.