Home / 19,799.42-27,312.85-12,243.34

Finding the Fourth Proportional to 19,799.42, 27,312.85 and 12,243.34

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Solution

The fourth proportional to 19,799.42, 27,312.85 and 12,243.34 is: 16,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,799.42 : 27,312.85 = 12,243.34 : x
  2. Step 2: Convert to fraction form
    19,799.42/27,312.85 = 12,243.34/x
  3. Step 3: Cross multiply
    19,799.42x = 27,312.85 × 12,243.34
  4. Step 4: Simplify right side
    19,799.42x = 334,400,508.92
  5. Step 5: Solve for x
    x = 334,400,508.92/19,799.42
  6. Step 6: Final answer
    x = 16,889.41

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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.