Home / 19,889.77-27,447.98-10,937.84

Finding the Fourth Proportional to 19,889.77, 27,447.98 and 10,937.84

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Solution

The fourth proportional to 19,889.77, 27,447.98 and 10,937.84 is: 15,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.77 : 27,447.98 = 10,937.84 : x
  2. Step 2: Convert to fraction form
    19,889.77/27,447.98 = 10,937.84/x
  3. Step 3: Cross multiply
    19,889.77x = 27,447.98 × 10,937.84
  4. Step 4: Simplify right side
    19,889.77x = 300,221,558.87
  5. Step 5: Solve for x
    x = 300,221,558.87/19,889.77
  6. Step 6: Final answer
    x = 15,094.27

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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.